Seiko Cal. 7187 - 333

The Seiko 7187-333 represents an important milestone in Seiko's 1985 lineup. Powered by the 7187 caliber with 36j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-3262775ea318]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

9.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Cream

Jewels

36j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1985

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