Seiko Cal. 6682 - 444

The 6682-444 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6682 caliber with 31j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-041c521dd81e]

Also known as: Bullhead, Helmet

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

9.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Green

Jewels

31j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1966

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