Seiko Cal. 0748 - 312

The Seiko 0748-312 represents an important milestone in Seiko's 1970 lineup. With its 21mm lug width and 8.4mm profile, it sits comfortably on most wrists. [seikata-wm-b6298eadc1e8]

Also known as: Sportsmatic, Crown

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

38mm

Case Thickness

8.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

180m

Dial Color

Black

Jewels

24j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1970

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