Seiko Cal. 4539 - 651

The 4539-651 is a sought-after Spring Drive piece from Seiko's golden era. With its 21mm lug width and 10.5mm profile, it sits comfortably on most wrists. [seikata-wm-60298159357a]

Also known as: Helmet, Rally

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

10.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

110m

Dial Color

Green

Jewels

32j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1989

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