Seiko Cal. 6290 - 644

The 6290-644 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6290 caliber with 20j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-3b03c65e2c21]

Also known as: Goldfeather, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

46mm

Case Thickness

8.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Black

Jewels

20j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1978

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