Seiko Cal. 0772 - 957

The 0772-957 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 0772 caliber with 19j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-1f97267e127a]

Also known as: Helmet, World Timer

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

9.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

White

Jewels

19j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1967

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