Seiko Cal. 4437 - 849

Released in 1966, the Cal. 4437 with design code 849 was part of Seiko's domestic market collection. It features a Black dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-6a9030cd51fc]

Also known as: UFO, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

8.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

Black

Jewels

30j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1966

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