Seiko Cal. 6371 - 438

The Seiko 6371-438 represents an important milestone in Seiko's 1973 lineup. With its 22mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-0eac326f593a]

Also known as: World Timer, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

35mm

Case Thickness

9.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Black

Jewels

34j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1973

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