Seiko Cal. 6227 - 402

The 6227-402 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6227 caliber with 31j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-58bf4498c86d]

Also known as: Bullhead, Golden Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

40mm

Case Thickness

12.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Burgundy

Jewels

31j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1970

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