Seiko Cal. 3857 - 837

This Solar model from 1978 features a 45mm Stainless Steel case. It features a Navy dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-c8cd1d31a8a3]

Also known as: Sumo, Pogue

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

14.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Navy

Jewels

35j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1978

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