Seiko Cal. 6646 - 951

This Hand-Winding model from 1989 features a 41mm PVD Black case. Powered by the 6646 caliber with 18j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-33fb3594ded3]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

41mm

Case Thickness

11.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

150m

Dial Color

Navy

Jewels

18j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1989

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