Seiko Cal. 6636 - 537

The Seiko 6636-537 represents an important milestone in Seiko's 1983 lineup. It features a Silver dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-2e425d59674e]

Also known as: Monster, Pogue

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

13.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

120m

Dial Color

Silver

Jewels

19j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1983

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