Seiko Cal. 6313 - 975

The Seiko 6313-975 represents an important milestone in Seiko's 1978 lineup. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-60d445f3c614]

Also known as: Golden Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

11.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Silver

Jewels

17j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1978

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