Seiko Cal. 4556 - 710

Seiko 4556-710

This Hand-Winding model from 1965 features a 36mm Stainless Steel case. Powered by the 4556 caliber with 28j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-7af1ffe9af21]

Also known as: Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
36mm
Case Thickness
9.1mm
Lug Width
21mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
120m
Dial Color
Black
Jewels
28j
Frequency
36,000 bph
Power Reserve
39 hours
Year
1965

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