Seiko Cal. 4539 - 216

This Spring Drive model from 1968 features a 39mm Titanium case. With its 20mm lug width and 9.5mm profile, it sits comfortably on most wrists. [seikata-wm-528015a1ad4a]

Also known as: Panda, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

9.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Navy

Jewels

20j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1968

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