Seiko Cal. 7187 - 301

Seiko 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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