Seiko Cal. 4440 - 504

This Spring Drive model from 1972 features a 37mm Titanium case. With its 21mm lug width and 9.6mm profile, it sits comfortably on most wrists. [seikata-wm-0ecf4d1c195c]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

9.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Silver

Jewels

20j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1972

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