Seiko Cal. 5681 - 171

The 5681-171 is a sought-after Solar piece from Seiko's golden era. Powered by the 5681 caliber with 23j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-b9206917b619]

Also known as: Samurai

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

40mm

Case Thickness

11.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Black

Jewels

23j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1974

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