Seiko Cal. 6220 - 737

The Seiko 6220-737 represents an important milestone in Seiko's 1993 lineup. Powered by the 6220 caliber with 33j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-5cd4ca93836d]

Also known as: Monster, Helmet

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

10.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

White

Jewels

33j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1993

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