Seiko Cal. 4559 - 540

This Automatic model from 1976 features a 40mm Hardlex-Coated Steel case. With its 21mm lug width and 14.3mm profile, it sits comfortably on most wrists. [seikata-wm-eb93d949fa16]

Also known as: Panda, Sportsmatic

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

14.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1976

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