Seiko Cal. 0713 - 634

The 0713-634 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 0713 caliber with 25j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-7a983a54be6f]

Also known as: World Timer, Crown

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

10.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1965

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