Seiko Cal. 4445 - 731

The 4445-731 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4445 caliber with 22j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-15f864ce55ef]

Also known as: Turtle

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

11.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1976

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