Seiko Cal. 5646 - 138

This Automatic model from 1992 features a 38mm Hardlex-Coated Steel case. Powered by the 5646 caliber with 29j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-c8aaabf5b0ca]

Also known as: Navigator, Emperor

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

10.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Green

Jewels

29j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1992

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