Seiko Cal. 4439 - 495

Released in 1980, the Cal. 4439 with design code 495 was part of Seiko's domestic market collection. With its 20mm lug width and 10.5mm profile, it sits comfortably on most wrists. [seikata-wm-a52ad278bdfa]

Also known as: Monster, Silverwave

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Black

Jewels

36j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1980

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