Seiko Cal. 7181 - 965

The 7181-965 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7181 caliber with 32j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-7f0153c8289e]

Also known as: Monster, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

14.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Black

Jewels

32j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1967

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