Seiko Cal. 5633 - 688

Seiko 5633-688

The Seiko 5633-688 represents an important milestone in Seiko's 1987 lineup. Powered by the 5633 caliber with 25j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-78ba450d1967]

Also known as: Turtle

Specifications

Movement
Kinetic
Case Material
Two-Tone
Case Width
34mm
Case Thickness
12.5mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
140m
Dial Color
White
Jewels
25j
Frequency
36,000 bph
Power Reserve
70 hours
Year
1987

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seikata-wm-78ba450d1967