Seiko Cal. 0731 - 340

Seiko 0731-340

The 0731-340 is a sought-after Kinetic piece from Seiko's golden era. The Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-d395007b85ed]

Also known as: Helmet, Silverwave

Specifications

Movement
Kinetic
Case Material
PVD Black
Case Width
41mm
Case Thickness
11.3mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
40m
Dial Color
Black
Jewels
22j
Frequency
36,000 bph
Power Reserve
45 hours
Year
1966

Related Models

seikata-wm-d395007b85ed