Seiko Cal. 6636 - 642

This Solar model from 1983 features a 46mm Titanium case. It features a Navy dial protected by a Acrylic crystal and offers 60m of water resistance. [seikata-wm-788d5f00bdfd]

Also known as: Helmet, Silverwave

Specifications

Movement

Solar

Case Material

Titanium

Case Width

46mm

Case Thickness

9.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

60m

Dial Color

Navy

Jewels

30j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1983

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