Seiko Cal. 4559 - 981

The Seiko 4559-981 represents an important milestone in Seiko's 1978 lineup. It features a Navy dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-e14010e8c476]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

13.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

20j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1978

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