Seiko Cal. 5680 - 181

The 5680-181 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5680 caliber with 29j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-5040e6e70e5b]

Also known as: World Timer, Crown

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

110m

Dial Color

Black

Jewels

29j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1978

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