Seiko Cal. 4440 - 550

Seiko 4440-550

The Seiko 4440-550 represents an important milestone in Seiko's 1976 lineup. Powered by the 4440 caliber with 32j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-b337e214939f]

Also known as: Turtle, Golden Tuna

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
12.9mm
Lug Width
21mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
60m
Dial Color
Silver
Jewels
32j
Frequency
28,800 bph
Power Reserve
66 hours
Year
1976

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