Seiko Cal. 4461 - 339

This Spring Drive model from 1966 features a 37mm Titanium case. With its 21mm lug width and 15.5mm profile, it sits comfortably on most wrists. [seikata-wm-42d59e4b8c41]

Also known as: World Timer, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

15.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Silver

Jewels

31j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1966

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