Seiko Cal. 5638 - 552

Seiko 5638-552

The Seiko 5638-552 represents an important milestone in Seiko's 1983 lineup. Powered by the 5638 caliber with 20j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-7fca36ed152c]

Also known as: Tuna, Baby Tuna

Specifications

Movement
Kinetic
Case Material
Gold-Plated
Case Width
44mm
Case Thickness
8.9mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
80m
Dial Color
White
Jewels
20j
Frequency
21,600 bph
Power Reserve
63 hours
Year
1983

Related Models

seikata-wm-7fca36ed152c