Seiko Cal. 4484 - 640

The 4484-640 is a sought-after Spring Drive piece from Seiko's golden era. With its 21mm lug width and 12.4mm profile, it sits comfortably on most wrists. [seikata-wm-4a23da81de52]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

12.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Burgundy

Jewels

36j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1978

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