Seiko Cal. 4538 - 168

Seiko 4538-168

The 4538-168 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4538 caliber with 20j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-36cafd6c977d]

Also known as: UFO, Baby Tuna

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
11.8mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
30m
Dial Color
White
Jewels
20j
Frequency
21,600 bph
Power Reserve
42 hours
Year
1981

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