Seiko Cal. 7187 - 301

The Seiko 7187-301 represents an important milestone in Seiko's 1988 lineup. Powered by the 7187 caliber with 25j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-08d416a9b7ca]

Also known as: Sportsmatic, Arnie

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

40mm

Case Thickness

14.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Black

Jewels

25j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1988

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