Seiko Cal. 0781 - 644

The 0781-644 is a sought-after Quartz piece from Seiko's golden era. Powered by the 0781 caliber with 27j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-a4c2999b9114]

Also known as: Crown

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

38mm

Case Thickness

14.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

170m

Dial Color

Cream

Jewels

27j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1983

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