Seiko Cal. 6637 - 100

This Kinetic model from 1973 features a 37mm Titanium case. It features a Silver dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-b780a22b483f]

Also known as: Bellmatic

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

37mm

Case Thickness

14.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Silver

Jewels

27j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1973

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