Seiko Cal. 7187 - 715

The Seiko 7187-715 represents an important milestone in Seiko's 1967 lineup. The Coin-Edge bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-ebb5b4fb8290]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

10.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Green

Jewels

30j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1967

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