Seiko Cal. 6321 - 403

The Seiko 6321-403 represents an important milestone in Seiko's 1989 lineup. The Bidirectional bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-601f2fca77b9]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Green

Jewels

22j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1989

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