Seiko Cal. 3857 - 644

This Solar model from 1977 features a 41mm Two-Tone case. It features a Burgundy dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-e87c3aa8dbb1]

Also known as: World Timer

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

41mm

Case Thickness

12.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Burgundy

Jewels

25j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1977

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