Seiko Cal. 6321 - 215

This Spring Drive model from 1966 features a 41mm Stainless Steel case. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-62335946df00]

Also known as: Tuna, Navigator

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

11.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1966

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