Seiko Cal. 7120 - 397

The Seiko 7120-397 represents an important milestone in Seiko's 1975 lineup. With its 18mm lug width and 8.3mm profile, it sits comfortably on most wrists. [seikata-wm-2b1bd1876ec9]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

8.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Navy

Jewels

19j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1975

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