Seiko Cal. 6366 - 787

This Spring Drive model from 1974 features a 37mm Titanium case. With its 19mm lug width and 11.4mm profile, it sits comfortably on most wrists. [seikata-wm-e1f0c2351a74]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

11.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

25j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1974

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