Seiko Cal. 4447 - 758

The Seiko 4447-758 represents an important milestone in Seiko's 1989 lineup. Powered by the 4447 caliber with 21j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-0a1e90a457ba]

Also known as: Turtle, Monster

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

10.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

White

Jewels

21j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1989

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