Seiko Cal. 7129 - 771

The 7129-771 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7129 caliber with 28j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-fa17c577514d]

Also known as: Sumo, Rally

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

10.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Black

Jewels

28j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1965

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