Seiko Cal. 5281 - 413

Seiko 5281-413

The Seiko 5281-413 represents an important milestone in Seiko's 1968 lineup. Powered by the 5281 caliber with 33j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-f2c582a5538d]

Also known as: Tuna, Bullhead

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
46mm
Case Thickness
14.6mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
50m
Dial Color
White
Jewels
33j
Frequency
36,000 bph
Power Reserve
64 hours
Year
1968

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