Seiko Cal. 4538 - 356

Seiko 4538-356

The 4538-356 is a sought-after Solar piece from Seiko's golden era. Powered by the 4538 caliber with 35j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-52bcd4edbbf2]

Also known as: Baby Tuna, Flighty

Specifications

Movement
Solar
Case Material
Stainless Steel
Case Width
36mm
Case Thickness
11.5mm
Lug Width
20mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
120m
Dial Color
Cream
Jewels
35j
Frequency
28,800 bph
Power Reserve
57 hours
Year
1972

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