Seiko Cal. 6646 - 877

This Automatic model from 1988 features a 39mm Stainless Steel case. Powered by the 6646 caliber with 35j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-929122df59a8]

Also known as: Monster

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

8.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Cream

Jewels

35j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1988

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