Seiko Cal. 7178 - 222

The 7178-222 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7178 caliber with 26j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-78dfcfb199bd]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

12.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Burgundy

Jewels

26j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1970

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