Seiko Cal. 4538 - 737

The Seiko 4538-737 represents an important milestone in Seiko's 1976 lineup. With its 21mm lug width and 15.4mm profile, it sits comfortably on most wrists. [seikata-wm-e6f705bde353]

Also known as: Flighty

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

15.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Navy

Jewels

24j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1976

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