Seiko Cal. 4538 - 136

The 4538-136 is a sought-after Spring Drive piece from Seiko's golden era. With its 22mm lug width and 13.9mm profile, it sits comfortably on most wrists. [seikata-wm-6833b0ad5dc4]

Also known as: Flighty

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

13.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Green

Jewels

17j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1972

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