Seiko Cal. 6321 - 823

The Seiko 6321-823 represents an important milestone in Seiko's 1968 lineup. It features a Blue Sunburst dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-10add313a989]

Also known as: Tuna, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

8.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1968

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