Seiko Cal. 6220 - 740

The 6220-740 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6220 caliber with 34j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-63801186f615]

Also known as: Bellmatic, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

42mm

Case Thickness

14.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Cream

Jewels

34j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1978

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