Seiko Cal. 4492 - 722

The 4492-722 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4492 caliber with 30j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-0862b91c4033]

Also known as: Shogun, Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

44mm

Case Thickness

10.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Black

Jewels

30j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1979

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