Seiko Cal. 6370 - 689

This Spring Drive model from 1968 features a 45mm Titanium case. It features a Burgundy dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-e3210be04d91]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

8.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

100m

Dial Color

Burgundy

Jewels

26j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1968

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