Seiko Cal. 6641 - 458

This Automatic model from 1981 features a 35mm PVD Black case. Powered by the 6641 caliber with 28j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-6eff5eedc238]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

35mm

Case Thickness

12.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Green

Jewels

28j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1981

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