Seiko Cal. 6361 - 381

Seiko 6361-381

The 6361-381 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6361 caliber with 32j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-cc002f8f1ae4]

Also known as: Helmet

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
37mm
Case Thickness
9.1mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
190m
Dial Color
Blue Sunburst
Jewels
32j
Frequency
21,600 bph
Power Reserve
40 hours
Year
1972

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