Seiko Cal. 6291 - 637

The 6291-637 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6291 caliber with 29j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-a3295b094c55]

Also known as: Panda, Silverwave

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

37mm

Case Thickness

15.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1991

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