Seiko Cal. 7187 - 839

The 7187-839 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7187 caliber with 19j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-bb9c74448feb]

Also known as: Shogun

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

8.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1993

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