Seiko Cal. 5266 - 566

The 5266-566 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5266 caliber with 25j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-a10c0ffbc6ef]

Also known as: Rally, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

8.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Green

Jewels

25j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1968

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