Seiko Cal. 6320 - 264

This Automatic model from 1971 features a 40mm Two-Tone case. With its 19mm lug width and 11.1mm profile, it sits comfortably on most wrists. [seikata-wm-3d28276ea5aa]

Also known as: Tuna, Crown

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

11.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Silver

Jewels

29j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1971

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