Seiko Cal. 6631 - 708

The 6631-708 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6631 caliber with 25j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-8421d67fd31f]

Also known as: Rally

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

13.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

White

Jewels

25j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1970

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