Seiko Cal. 4444 - 636

This Spring Drive model from 1984 features a 45mm Hardlex-Coated Steel case. Powered by the 4444 caliber with 17j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-e71192090491]

Also known as: Turtle, Monster

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

10.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

Green

Jewels

17j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1984

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