Seiko Cal. 6311 - 597

This Quartz model from 1974 features a 44mm PVD Black case. With its 20mm lug width and 15.9mm profile, it sits comfortably on most wrists. [seikata-wm-419c1dd5be77]

Also known as: Monster, Panda

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

44mm

Case Thickness

15.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Navy

Jewels

29j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1974

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