Seiko Cal. 6336 - 657

The Seiko 6336-657 represents an important milestone in Seiko's 1984 lineup. Powered by the 6336 caliber with 23j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-b1300730a745]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

12.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Black

Jewels

23j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1984

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