Seiko Cal. 3831 - 899

This Solar model from 1983 features a 41mm Two-Tone case. The Bidirectional bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-0158f15052cd]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

41mm

Case Thickness

11.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Silver

Jewels

35j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1983

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