Seiko Cal. 5646 - 891

This Automatic model from 1969 features a 37mm PVD Black case. Powered by the 5646 caliber with 18j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-5d4d1cbcc0ec]

Also known as: Goldfeather

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

37mm

Case Thickness

12.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

White

Jewels

18j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1969

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