Seiko Cal. 5660 - 828

The Seiko 5660-828 represents an important milestone in Seiko's 1966 lineup. The Bidirectional bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-74723ca2b9b5]

Also known as: Sea Horse

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

46mm

Case Thickness

15.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Silver

Jewels

33j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1966

Related Models

• Seiko 7196-152
• Seiko 7197-987
• Seiko 6276-431
• Seiko 4451-132
• Seiko 6169-339
• Seiko 4563-756
• Seiko 5622-903
• Seiko 7077-179
• Seiko 6360-231
• Seiko 6111-103
• Seiko 6340-848
• Seiko 6376-824