Seiko Cal. 6340 - 227

Seiko 6340-227

The 6340-227 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6340 caliber with 23j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-7e8f1515981e]

Also known as: Bullhead, UFO

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
37mm
Case Thickness
12.0mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
200m
Dial Color
Cream
Jewels
23j
Frequency
36,000 bph
Power Reserve
56 hours
Year
1972

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