Seiko Cal. 7187 - 322

The Seiko 7187-322 represents an important milestone in Seiko's 1996 lineup. Powered by the 7187 caliber with 25j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-751828c4c24e]

Also known as: Tuna, Crown

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

10.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Silver

Jewels

25j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1996

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