Seiko Cal. 6639 - 462

The 6639-462 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6639 caliber with 30j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-bb96acd956e9]

Also known as: Rally, Bellmatic

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

39mm

Case Thickness

12.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

110m

Dial Color

Black

Jewels

30j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1982

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