Seiko Cal. 4439 - 722

Released in 1975, the Cal. 4439 with design code 722 was part of Seiko's domestic market collection. It features a Burgundy dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-899eadad09df]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

42mm

Case Thickness

12.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Burgundy

Jewels

30j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1975

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