Seiko Cal. 4433 - 639

This Spring Drive model from 1987 features a 45mm Two-Tone case. Powered by the 4433 caliber with 24j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-f99d25c85877]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

200m

Dial Color

White

Jewels

24j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1987

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