Seiko Cal. 6328 - 280

Seiko 6328-280

The Seiko 6328-280 represents an important milestone in Seiko's 1973 lineup. Powered by the 6328 caliber with 20j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-3802a1e8b3c6]

Also known as: Tuna, Bellmatic

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
41mm
Case Thickness
11.7mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
180m
Dial Color
Black
Jewels
20j
Frequency
36,000 bph
Power Reserve
57 hours
Year
1973

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seikata-wm-3802a1e8b3c6