Seiko Cal. 6321 - 363

Seiko 6321-363

The Seiko 6321-363 represents an important milestone in Seiko's 1987 lineup. Powered by the 6321 caliber with 26j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-0f70b09deb70]

Also known as: UFO, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
38mm
Case Thickness
9.7mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
130m
Dial Color
Black
Jewels
26j
Frequency
28,800 bph
Power Reserve
66 hours
Year
1987

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