Seiko Cal. 6181 - 278

Seiko 6181-278

The 6181-278 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6181 caliber with 25j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-45283a4376ea]

Also known as: Bullhead

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
37mm
Case Thickness
12.2mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
180m
Dial Color
Green
Jewels
25j
Frequency
28,800 bph
Power Reserve
66 hours
Year
1998

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seikata-wm-45283a4376ea