Seiko Cal. 7187 - 373

The Seiko 7187-373 represents an important milestone in Seiko's 1973 lineup. Powered by the 7187 caliber with 17j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-176a44a70bde]

Also known as: Shogun, Baby Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

12.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

160m

Dial Color

Cream

Jewels

17j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1973

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