Seiko Cal. 6647 - 437

Seiko 6647-437

This Solar model from 1996 features a 39mm Titanium case. It features a Black dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-f978ba96533b]

Also known as: Bullhead, Sea Horse

Specifications

Movement
Solar
Case Material
Titanium
Case Width
39mm
Case Thickness
13.0mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
50m
Dial Color
Black
Jewels
21j
Frequency
21,600 bph
Power Reserve
59 hours
Year
1996

Related Models

seikata-wm-f978ba96533b