Seiko Cal. 3877 - 256

This Automatic model from 1993 features a 43mm Stainless Steel case. Powered by the 3877 caliber with 23j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-cba10c9fea42]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

10.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Cream

Jewels

23j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1993

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