Seiko Cal. 6671 - 730

Seiko 6671-730

The Seiko 6671-730 represents an important milestone in Seiko's 1969 lineup. Powered by the 6671 caliber with 36j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-33d4826d3a83]

Also known as: Helmet, Baby Tuna

Specifications

Movement
Quartz
Case Material
Stainless Steel
Case Width
37mm
Case Thickness
14.2mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
40m
Dial Color
Blue Sunburst
Jewels
36j
Frequency
21,600 bph
Power Reserve
53 hours
Year
1969

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seikata-wm-33d4826d3a83