Seiko Cal. 6321 - 978

Seiko 6321-978

Released in 1975, the Cal. 6321 with design code 978 was part of Seiko's domestic market collection. Powered by the 6321 caliber with 24j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-6215c1a4399d]

Also known as: Golden Tuna, Arnie

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
44mm
Case Thickness
10.0mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
70m
Dial Color
Black
Jewels
24j
Frequency
36,000 bph
Power Reserve
72 hours
Year
1975

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seikata-wm-6215c1a4399d