Seiko Cal. 6321 - 256

The Seiko 6321-256 represents an important milestone in Seiko's 1990 lineup. Powered by the 6321 caliber with 30j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-87d4c9bb0727]

Also known as: Crown, Arnie

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

45mm

Case Thickness

9.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Silver

Jewels

30j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1990

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