Seiko Cal. 4550 - 737

Seiko 4550-737

This Quartz model from 1970 features a 43mm Hardlex-Coated Steel case. Powered by the 4550 caliber with 28j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-108fb9802071]

Also known as: Turtle, Arnie

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
43mm
Case Thickness
15.4mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
140m
Dial Color
Green
Jewels
28j
Frequency
21,600 bph
Power Reserve
37 hours
Year
1970

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