Seiko Cal. 6646 - 289

This Hand-Winding model from 1978 features a 40mm Gold-Plated case. Powered by the 6646 caliber with 25j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-2a4a59f4e2e0]

Also known as: Sea Horse, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

11.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Champagne

Jewels

25j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1978

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