Seiko Cal. 6181 - 856

The 6181-856 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6181 caliber with 23j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-afd6f29404db]

Also known as: Shogun, Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

14.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Green

Jewels

23j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1984

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