Seiko Cal. 5660 - 249

The 5660-249 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5660 caliber with 27j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-f6b767f06d6a]

Also known as: Helmet, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

8.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Burgundy

Jewels

27j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1993

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