Seiko Cal. 5638 - 218

Seiko 5638-218

The 5638-218 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5638 caliber with 22j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-0bc9a5efab74]

Also known as: Panda, Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
45mm
Case Thickness
10.1mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
60m
Dial Color
Black
Jewels
22j
Frequency
36,000 bph
Power Reserve
60 hours
Year
1967

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