Seiko Cal. 4438 - 580

This Spring Drive model from 1991 features a 45mm Titanium case. With its 22mm lug width and 15.9mm profile, it sits comfortably on most wrists. [seikata-wm-13e494ee3ba5]

Also known as: Sea Horse, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

15.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

200m

Dial Color

Black

Jewels

27j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1991

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