Seiko Cal. 4559 - 312

Released in 1966, the Cal. 4559 with design code 312 was part of Seiko's domestic market collection. It features a White dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-f0d0ca762de7]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

14.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

60m

Dial Color

White

Jewels

28j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1966

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