Seiko Cal. 7187 - 260

The Seiko 7187-260 represents an important milestone in Seiko's 1974 lineup. Powered by the 7187 caliber with 28j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-c37d63181162]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

12.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

Silver

Jewels

28j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1974

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