Seiko Cal. 7187 - 520

The Seiko 7187-520 represents an important milestone in Seiko's 1994 lineup. Powered by the 7187 caliber with 36j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-251bfd4936f5]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

12.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Navy

Jewels

36j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1994

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