Seiko Cal. 0728 - 230

The Seiko 0728-230 represents an important milestone in Seiko's 1974 lineup. With its 21mm lug width and 14.6mm profile, it sits comfortably on most wrists. [seikata-wm-d8cbc167c992]

Also known as: Samurai, Crown

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

41mm

Case Thickness

14.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1974

Related Models

• Seiko 0753-622
• Seiko 4561-416
• Seiko 3883-765
• Seiko 4534-763
• Seiko 7021-402
• Seiko 4552-791
• Seiko 3891-390
• Seiko 6311-283
• Seiko 5683-276
• Seiko 6189-555
• Seiko 7064-307
• Seiko 7143-608