Seiko Cal. 4538 - 392

The 4538-392 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4538 caliber with 25j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-b2b380666f74]

Also known as: Samurai, Crown

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

14.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1981

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