Seiko Cal. 7172 - 257

The 7172-257 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7172 caliber with 34j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-be1997d65723]

Also known as: Samurai, World Timer

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Silver

Jewels

34j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1974

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