Seiko Cal. 6340 - 405

This Automatic model from 1979 features a 37mm Hardlex-Coated Steel case. It features a Burgundy dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-3cd8ca4cfc71]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

13.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Burgundy

Jewels

29j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1979

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