Seiko Cal. 0740 - 690

The Seiko 0740-690 represents an important milestone in Seiko's 1965 lineup. With its 22mm lug width and 15.8mm profile, it sits comfortably on most wrists. [seikata-wm-a167b956c4c8]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

15.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

160m

Dial Color

Silver

Jewels

23j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1965

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