Seiko Cal. 5660 - 151

The 5660-151 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5660 caliber with 29j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-195448319dcf]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

15.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Burgundy

Jewels

29j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1970

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