Seiko Cal. 5648 - 634

The 5648-634 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5648 caliber with 32j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-656745587a0d]

Also known as: Golden Tuna, Emperor

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

34mm

Case Thickness

11.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Burgundy

Jewels

32j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1966

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