Seiko Cal. 5631 - 700

This Solar model from 1990 features a 38mm Titanium case. It features a Burgundy dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-34a61dd15140]

Also known as: Helmet, Arnie

Specifications

Movement

Solar

Case Material

Titanium

Case Width

38mm

Case Thickness

14.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Burgundy

Jewels

19j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1990

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