Seiko Cal. 6181 - 856

Seiko 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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