Seiko Cal. 6370 - 481

The 6370-481 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6370 caliber with 30j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-b80bb6404351]

Also known as: Monster, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

180m

Dial Color

White

Jewels

30j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1990

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