Seiko Cal. 7156 - 559

This Automatic model from 1972 features a 41mm Hardlex-Coated Steel case. Powered by the 7156 caliber with 28j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-d66eeaff199f]

Also known as: Monster, Emperor

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

11.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Black

Jewels

28j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1972

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