Seiko Cal. 6621 - 392

Seiko 6621-392

The Seiko 6621-392 represents an important milestone in Seiko's 1978 lineup. Powered by the 6621 caliber with 34j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-e7befacc4395]

Also known as: Sea Horse, Golden Tuna

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
12.0mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
150m
Dial Color
White
Jewels
34j
Frequency
21,600 bph
Power Reserve
45 hours
Year
1978

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seikata-wm-e7befacc4395