Seiko Cal. 6646 - 628

This Automatic model from 1978 features a 39mm Stainless Steel case. Powered by the 6646 caliber with 18j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-9ef1b4d00d4f]

Also known as: Goldfeather, Sea Horse

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

9.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

120m

Dial Color

Black

Jewels

18j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1978

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