Seiko Cal. 4581 - 313

Seiko 4581-313

The Seiko 4581-313 represents an important milestone in Seiko's 1970 lineup. Powered by the 4581 caliber with 22j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-3d8a549be6d4]

Also known as: Tuna, Helmet

Specifications

Movement
Quartz
Case Material
Titanium
Case Width
46mm
Case Thickness
10.5mm
Lug Width
22mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
190m
Dial Color
White
Jewels
22j
Frequency
36,000 bph
Power Reserve
68 hours
Year
1970

Related Models

seikata-wm-3d8a549be6d4