Seiko Cal. 6313 - 516

This Spring Drive model from 1978 features a 40mm Two-Tone case. With its 18mm lug width and 9.2mm profile, it sits comfortably on most wrists. [seikata-wm-1e14e4978f2d]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

9.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Champagne

Jewels

36j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1978

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