Seiko Cal. 4540 - 379

The 4540-379 is a sought-after Hand-Winding piece from Seiko's golden era. With its 22mm lug width and 14.6mm profile, it sits comfortably on most wrists. [seikata-wm-f989b2d62b9d]

Also known as: Arnie

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

14.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Green

Jewels

24j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1988

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