Seiko Cal. 5633 - 120

The Seiko 5633-120 represents an important milestone in Seiko's 1976 lineup. Powered by the 5633 caliber with 17j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-a5880c6e46c1]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

12.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

150m

Dial Color

Silver

Jewels

17j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1976

Related Models

• Seiko 7133-199
• Seiko 6277-455
• Seiko 6231-783
• Seiko 7114-162
• Seiko 0756-712
• Seiko 6336-748
• Seiko 5663-805
• Seiko 0726-787
• Seiko 6190-924
• Seiko 4459-547
• Seiko 6295-976
• Seiko 4558-422