Seiko Cal. 7128 - 370

The Seiko 7128-370 represents an important milestone in Seiko's 1998 lineup. The Inner Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-169044c804f8]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

13.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

White

Jewels

18j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1998

Related Models

• Seiko 5697-184
• Seiko 4510-746
• Seiko 5697-169
• Seiko 5240-503
• Seiko 6198-588
• Seiko 7084-641
• Seiko 7037-108
• Seiko 5269-605
• Seiko 5692-640
• Seiko 7160-146
• Seiko 7146-671
• Seiko 6139-969