Seiko Cal. 7178 - 437

The Seiko 7178-437 represents an important milestone in Seiko's 1970 lineup. Powered by the 7178 caliber with 24j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-e376261c7ca1]

Also known as: Silverwave

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

9.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Green

Jewels

24j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1970

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