Seiko Cal. 3888 - 528

The Seiko 3888-528 represents an important milestone in Seiko's 1976 lineup. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-f9c8b64ef569]

Also known as: Sumo, Bellmatic

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

40mm

Case Thickness

13.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1976

Related Models

• Seiko 5282-840
• Seiko 6218-370
• Seiko 5269-308
• Seiko 0739-833
• Seiko 0784-144
• Seiko 6177-178
• Seiko 6147-756
• Seiko 4519-912
• Seiko 5692-575
• Seiko 3888-364
• Seiko 6285-705
• Seiko 5214-669