Seiko Cal. 6643 - 290

Seiko 6643-290

This Spring Drive model from 1988 features a 45mm Titanium case. The Coin-Edge bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-564283a1a1e4]

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
45mm
Case Thickness
14.0mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
140m
Dial Color
Green
Jewels
21j
Frequency
21,600 bph
Power Reserve
69 hours
Year
1988

Related Models

seikata-wm-564283a1a1e4