Seiko Cal. 5633 - 120

Seiko 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

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