Seiko Cal. 5649 - 731

Seiko 5649-731

The Seiko 5649-731 represents an important milestone in Seiko's 1980 lineup. Powered by the 5649 caliber with 18j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-8631167c9f4c]

Also known as: Golden Tuna

Specifications

Movement
Kinetic
Case Material
Two-Tone
Case Width
34mm
Case Thickness
13.6mm
Lug Width
19mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
110m
Dial Color
Silver
Jewels
18j
Frequency
28,800 bph
Power Reserve
67 hours
Year
1980

Related Models

seikata-wm-8631167c9f4c