Seiko Cal. 6331 - 499

This Automatic model from 1965 features a 36mm Stainless Steel case. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-184865aeb263]

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

10.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1965

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