Seiko Cal. 6310 - 520

This Spring Drive model from 1974 features a 46mm Gold-Plated case. It features a Burgundy dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-4a306bab5b53]

Also known as: Golden Tuna, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

12.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Burgundy

Jewels

35j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1974

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