Seiko Cal. 5611 - 685

This Automatic model from 1968 features a 44mm Hardlex-Coated Steel case. Powered by the 5611 caliber with 27j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-1327cb1df30a]

Also known as: Navigator, Sea Horse

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

12.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

130m

Dial Color

Green

Jewels

27j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1968

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