Seiko Cal. 4438 - 696

The Seiko 4438-696 represents an important milestone in Seiko's 1978 lineup. With its 19mm lug width and 10.3mm profile, it sits comfortably on most wrists. [seikata-wm-da9505d30b66]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

10.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Champagne

Jewels

31j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1978

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