Seiko Cal. 6290 - 283

The 6290-283 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6290 caliber with 19j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-6dc2f2bd71cb]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

45mm

Case Thickness

15.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

50m

Dial Color

Silver

Jewels

19j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1981

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