Seiko Cal. 7187 - 834

The Seiko 7187-834 represents an important milestone in Seiko's 1972 lineup. Powered by the 7187 caliber with 18j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-ae3d6b9f83c5]

Also known as: UFO, Crown

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

8.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Black

Jewels

18j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1972

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