Seiko Cal. 7187 - 850

The Seiko 7187-850 represents an important milestone in Seiko's 1974 lineup. Powered by the 7187 caliber with 32j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-e7ddaba9d3aa]

Also known as: Bellmatic, World Timer

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

8.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Navy

Jewels

32j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1974

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