Seiko Cal. 6133 - 899

This Spring Drive model from 1975 features a 44mm Hardlex-Coated Steel case. With its 19mm lug width and 10.4mm profile, it sits comfortably on most wrists. [seikata-wm-dee163ef39d3]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

10.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Champagne

Jewels

18j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1975

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