Seiko Cal. 4539 - 620

The 4539-620 is a sought-after Spring Drive piece from Seiko's golden era. With its 22mm lug width and 12.4mm profile, it sits comfortably on most wrists. [seikata-wm-e1ccb4fc1f78]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

12.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Silver

Jewels

27j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1986

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