Seiko Cal. 5656 - 616

This Spring Drive model from 1975 features a 45mm Stainless Steel case. With its 18mm lug width and 10.7mm profile, it sits comfortably on most wrists. [seikata-wm-fc6f3521149d]

Also known as: Navigator, Flighty

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

10.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Navy

Jewels

19j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1975

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