Seiko Cal. 6220 - 737

The 6220-737 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6220 caliber with 27j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-72ce1ebceaa4]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

10.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

180m

Dial Color

Cream

Jewels

27j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1980

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