Seiko Cal. 4437 - 241

This Hand-Winding model from 1975 features a 36mm Two-Tone case. With its 20mm lug width and 15.7mm profile, it sits comfortably on most wrists. [seikata-wm-8a92fdf73075]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

36mm

Case Thickness

15.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Green

Jewels

21j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1975

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