Seiko Cal. 6371 - 425

Released in 1975, the Cal. 6371 with design code 425 was part of Seiko's domestic market collection. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-e38bc89fcfc6]

Also known as: Sportsmatic

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

11.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Cream

Jewels

19j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1975

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