Seiko Cal. 7121 - 895

This Automatic model from 1966 features a 44mm Hardlex-Coated Steel case. Powered by the 7121 caliber with 31j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-d00249caafed]

Also known as: Monster, Navigator

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

14.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Black

Jewels

31j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1966

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