Seiko Cal. 6671 - 846

Seiko 6671-846

This Spring Drive model from 1968 features a 37mm Two-Tone case. Powered by the 6671 caliber with 17j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-242ad09e7845]

Also known as: Helmet, UFO

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
37mm
Case Thickness
12.5mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
110m
Dial Color
Blue Sunburst
Jewels
17j
Frequency
28,800 bph
Power Reserve
59 hours
Year
1968

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seikata-wm-242ad09e7845