Seiko Cal. 6313 - 617

The Seiko 6313-617 represents an important milestone in Seiko's 1972 lineup. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-50208b3dd3e8]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

12.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Burgundy

Jewels

17j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1972

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