Seiko Cal. 5681 - 210

The 5681-210 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5681 caliber with 20j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-8a16ab70dd85]

Also known as: Monster, Emperor

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

45mm

Case Thickness

11.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

White

Jewels

20j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1970

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