Seiko Cal. 0740 - 308

This Spring Drive model from 1972 features a 39mm Titanium case. With its 18mm lug width and 12.0mm profile, it sits comfortably on most wrists. [seikata-wm-d1ccacda4063]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

12.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Navy

Jewels

19j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1972

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