Seiko Cal. 3831 - 437

This Solar model from 1989 features a 35mm PVD Black case. It features a Silver dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-82ca5a68669b]

Also known as: Helmet, Rally

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

35mm

Case Thickness

12.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Silver

Jewels

20j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1989

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