Seiko Cal. 4559 - 685

The Seiko 4559-685 represents an important milestone in Seiko's 1978 lineup. Powered by the 4559 caliber with 31j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-c0885baf4d77]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

44mm

Case Thickness

9.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

200m

Dial Color

Champagne

Jewels

31j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1978

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