Seiko Cal. 5644 - 476

This Automatic model from 1969 features a 43mm PVD Black case. Powered by the 5644 caliber with 36j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-daa8bd09bdf6]

Also known as: Monster, Navigator

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

43mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Navy

Jewels

36j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1969

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