Seiko Cal. 4480 - 153

Seiko 4480-153

The Seiko 4480-153 represents an important milestone in Seiko's 1987 lineup. Powered by the 4480 caliber with 21j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-369c2cd2f21b]

Also known as: Turtle, Helmet

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
41mm
Case Thickness
14.2mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
190m
Dial Color
Cream
Jewels
21j
Frequency
28,800 bph
Power Reserve
37 hours
Year
1987

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seikata-wm-369c2cd2f21b