Seiko Cal. 6370 - 731

The Seiko 6370-731 represents an important milestone in Seiko's 1990 lineup. With its 20mm lug width and 8.9mm profile, it sits comfortably on most wrists. [seikata-wm-5d8cd3046bc4]

Also known as: Turtle, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

8.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

140m

Dial Color

Green

Jewels

32j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1990

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