Seiko Cal. 5648 - 687

This Kinetic model from 1978 features a 39mm Stainless Steel case. With its 20mm lug width and 9.4mm profile, it sits comfortably on most wrists. [seikata-wm-34317dafa067]

Also known as: Navigator, Arnie

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

9.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1978

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