Seiko Cal. 4426 - 747

The 4426-747 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4426 caliber with 32j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-376c193c78a2]

Also known as: UFO, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

14.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

90m

Dial Color

Black

Jewels

32j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1990

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