Seiko Cal. 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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