Seiko Cal. 4447 - 758

Seiko 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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