Seiko Cal. 0731 - 748

The Seiko 0731-748 represents an important milestone in Seiko's 1985 lineup. With its 18mm lug width and 15.0mm profile, it sits comfortably on most wrists. [seikata-wm-16685abf1c1b]

Also known as: Sea Horse, Flighty

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

34mm

Case Thickness

15.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

White

Jewels

24j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1985

Related Models

• Seiko 4414-460
• Seiko 6364-694
• Seiko 4487-495
• Seiko 3884-516
• Seiko 6285-791
• Seiko 7192-663
• Seiko 6395-871
• Seiko 5697-203
• Seiko 6629-510
• Seiko 6350-683
• Seiko 7141-471
• Seiko 5682-639