Seiko Cal. 3891 - 627

The Seiko 3891-627 represents an important milestone in Seiko's 1995 lineup. Powered by the 3891 caliber with 30j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-8e7d462c3368]

Also known as: Sportsmatic, Crown

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

38mm

Case Thickness

12.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Silver

Jewels

30j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1995

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