Seiko Cal. 3880 - 155

This Solar model from 1983 features a 37mm Hardlex-Coated Steel case. It features a Black dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-c8884622dbe1]

Also known as: Sumo, World Timer

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

14.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

70m

Dial Color

Black

Jewels

29j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1983

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