Seiko Cal. 6391 - 603

This Spring Drive model from 1976 features a 45mm Two-Tone case. With its 21mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-0d4c03757cd7]

Also known as: Panda, Crown

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

12.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

200m

Dial Color

Champagne

Jewels

19j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1976

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