Seiko Cal. 0739 - 640

Seiko 0739-640

The Seiko 0739-640 represents an important milestone in Seiko's 1981 lineup. Powered by the 0739 caliber with 36j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-a866ad6a8d3d]

Also known as: Silverwave, Arnie

Specifications

Movement
Solar
Case Material
Two-Tone
Case Width
43mm
Case Thickness
13.1mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
80m
Dial Color
Silver
Jewels
36j
Frequency
21,600 bph
Power Reserve
48 hours
Year
1981

Related Models

seikata-wm-a866ad6a8d3d