Seiko Cal. 0728 - 100

The Seiko 0728-100 represents an important milestone in Seiko's 1969 lineup. The Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-f3dfe91bb9e3]

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

11.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

18j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1969

Related Models

• Seiko 4430-119
• Seiko 7045-579
• Seiko 5295-126
• Seiko 4589-626
• Seiko 6611-247
• Seiko 7065-862
• Seiko 5616-148
• Seiko 6648-252
• Seiko 5673-883
• Seiko 5699-165
• Seiko 6332-499
• Seiko 6115-938