Seiko Cal. 6113 - 646

Seiko 6113-646

The 6113-646 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6113 caliber with 34j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-1aa21c5e28cc]

Also known as: Bullhead

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
42mm
Case Thickness
14.3mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
80m
Dial Color
White
Jewels
34j
Frequency
28,800 bph
Power Reserve
57 hours
Year
1982

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