Seiko Cal. 5278 - 500

This Hand-Winding model from 1977 features a 35mm Titanium case. With its 18mm lug width and 9.6mm profile, it sits comfortably on most wrists. [seikata-wm-ff739838a28b]

Also known as: Navigator

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

35mm

Case Thickness

9.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Green

Jewels

17j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1977

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