Seiko Cal. 5646 - 280

This Hand-Winding model from 1980 features a 45mm Gold-Plated case. Powered by the 5646 caliber with 24j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-36973fe3a559]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

10.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Green

Jewels

24j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1980

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