Seiko Cal. 6320 - 363

The Seiko 6320-363 represents an important milestone in Seiko's 1991 lineup. With its 19mm lug width and 15.2mm profile, it sits comfortably on most wrists. [seikata-wm-e4b3f673c73f]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

46mm

Case Thickness

15.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Champagne

Jewels

19j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1991

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