Seiko Cal. 3887 - 733

The Seiko 3887-733 represents an important milestone in Seiko's 1992 lineup. The Coin-Edge bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-5bb9c9cacefd]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

9.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Navy

Jewels

19j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1992

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