Seiko Cal. 7187 - 452

The Seiko 7187-452 represents an important milestone in Seiko's 1971 lineup. Powered by the 7187 caliber with 26j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-45345e3f14b1]

Also known as: Samurai, Baby Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

9.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

140m

Dial Color

Champagne

Jewels

26j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1971

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