Seiko Cal. 7133 - 987

This Solar model from 1977 features a 36mm Gold-Plated case. Powered by the 7133 caliber with 36j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-4be1c22aa7eb]

Also known as: Bullhead, Crown

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

11.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1977

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