Seiko Cal. 6290 - 740

The Seiko 6290-740 represents an important milestone in Seiko's 1982 lineup. It features a Black dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-ef89f9951466]

Also known as: Sportsmatic, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

8.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Black

Jewels

32j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1982

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