Seiko Cal. 4442 - 710

The 4442-710 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4442 caliber with 21j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-fbb966b947eb]

Also known as: Golden Tuna, Flighty

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

9.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Black

Jewels

21j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1967

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