Seiko Cal. 6231 - 405

The 6231-405 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6231 caliber with 20j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-82bf604eb67f]

Also known as: Bullhead, Goldfeather

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

44mm

Case Thickness

12.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1997

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