Seiko Cal. 6637 - 256

Seiko 6637-256

This Solar model from 1991 features a 36mm Two-Tone case. With its 18mm lug width and 9.4mm profile, it sits comfortably on most wrists. [seikata-wm-1a2427f9415f]

Specifications

Movement
Solar
Case Material
Two-Tone
Case Width
36mm
Case Thickness
9.4mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
130m
Dial Color
Silver
Jewels
28j
Frequency
36,000 bph
Power Reserve
49 hours
Year
1991

Related Models

seikata-wm-1a2427f9415f