Seiko Cal. 6161 - 904

This Automatic model from 1977 features a 35mm Stainless Steel case. Powered by the 6161 caliber with 25j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-94ca88c2cfc3]

Also known as: Monster

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

8.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Cream

Jewels

25j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1977

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