Seiko Cal. 4434 - 658

Seiko 4434-658

The 4434-658 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4434 caliber with 21j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-aa8b6f9729f8]

Also known as: Tuna, Sportsmatic

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
46mm
Case Thickness
14.1mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
200m
Dial Color
Green
Jewels
21j
Frequency
21,600 bph
Power Reserve
52 hours
Year
1967

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