Seiko Cal. 6640 - 134

The 6640-134 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6640 caliber with 36j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-413033e2b786]

Also known as: Shogun, World Timer

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

10.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

180m

Dial Color

Champagne

Jewels

36j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1993

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