Seiko Cal. 4445 - 556

The 4445-556 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4445 caliber with 34j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-b699912e1f5c]

Also known as: Turtle, Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

12.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

White

Jewels

34j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1974

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