Seiko Cal. 5278 - 141

This Hand-Winding model from 1975 features a 45mm PVD Black case. With its 19mm lug width and 13.8mm profile, it sits comfortably on most wrists. [seikata-wm-071e402827e3]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

45mm

Case Thickness

13.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Green

Jewels

28j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1975

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