Seiko Cal. 7187 - 528

The Seiko 7187-528 represents an important milestone in Seiko's 1971 lineup. Powered by the 7187 caliber with 33j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-c56912331bcc]

Also known as: Tuna

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

34mm

Case Thickness

15.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Burgundy

Jewels

33j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1971

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