Seiko Cal. 6641 - 943

This Hand-Winding model from 1985 features a 44mm PVD Black case. Powered by the 6641 caliber with 31j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-de0a171f9f76]

Also known as: Sportsmatic, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

44mm

Case Thickness

8.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Champagne

Jewels

31j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1985

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