A Citizen Eco Drive Field Watch with a rechargeable battery quartz movement, stainless steel case and 100M water resistance. It features a 37mm diameter face and is available with multiple interchangeable straps.

This Citizen Eco Drive Field Watch features a 37mm SS case, E101 quartz movement, and 100M water resistance.

• Condition: Very good to excellent
• Case diameter: 37mm
• Length to length: 43mm
• Thickness: 9.5mm

The updated BM8188-01E is a field watch with minor changes from the original model, featuring an Eco Drive rechargeable battery quartz movement and a black dial. It has a stainless steel case and case back, measuring 37mm in diameter and 43mm L to L, with a thickness of 9.5mm. The watch also features 100M water resistance and blue lume on the hands and numbers.

• Condition: Very good to excellent
• Case material: Stainless Steel
• Water resistance: 100m
• Diameter: 37mm

A Citizen Eco Drive Field Watch with a black dial and stainless steel case, featuring a rechargeable battery quartz movement, 100M water resistance, and blue lume on the hands and numbers.

• Condition: Very good to excellent
• Case diameter: 37mm
• Length across lugs: 43mm
• Thickness: 9.5mm

A updated model of the BM81030-03E, a Citizen Eco Drive Field Watch with minor changes including a plain case back and WR printed on the case back. It has a great size for mid-sized to smaller wrists and features a easy-to-read dial.

• Condition: Very good to excellent
• Case diameter: 37mm
• Water resistance: 100M
• Thickness: 9.5mm