Seiko Cal. 4438 - 973

This Spring Drive model from 1970 features a 37mm Stainless Steel case. With its 18mm lug width and 9.4mm profile, it sits comfortably on most wrists. [seikata-wm-7edeeb3a66a0]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

9.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Champagne

Jewels

24j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1970

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