Seiko Cal. 7122 - 631

The 7122-631 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7122 caliber with 36j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-4dd1acdd729f]

Also known as: Bullhead, Golden Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

9.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1965

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