Seiko Cal. 4537 - 780

This Spring Drive model from 1993 features a 43mm Stainless Steel case. With its 21mm lug width and 10.4mm profile, it sits comfortably on most wrists. [seikata-wm-146d0be35e45]

Also known as: Flighty

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

10.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Green

Jewels

32j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1993

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