Seiko Cal. 4425 - 828

This Quartz model from 1966 features a 37mm Hardlex-Coated Steel case. Powered by the 4425 caliber with 33j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-7ed0dd79dba6]

Also known as: Monster

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

15.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Silver

Jewels

33j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1966

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