Seiko Cal. 5638 - 223

Seiko 5638-223

The 5638-223 is a sought-after Solar piece from Seiko's golden era. Powered by the 5638 caliber with 35j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-c603b3a7db75]

Also known as: Golden Tuna

Specifications

Movement
Solar
Case Material
Gold-Plated
Case Width
38mm
Case Thickness
11.8mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
50m
Dial Color
Black
Jewels
35j
Frequency
36,000 bph
Power Reserve
52 hours
Year
1990

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