Seiko Cal. 3885 - 187

This Automatic model from 1965 features a 35mm Stainless Steel case. Powered by the 3885 caliber with 28j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-4af58f6f82e8]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

11.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

White

Jewels

28j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1965

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