Seiko Cal. 6659 - 502

The 6659-502 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6659 caliber with 30j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-b3202477ed5e]

Also known as: Crown, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

9.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

200m

Dial Color

Green

Jewels

30j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1970

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