Seiko Cal. 5644 - 721

Seiko 5644-721

This Solar model from 1995 features a 38mm Two-Tone case. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-ef244558e42a]

Specifications

Movement
Solar
Case Material
Two-Tone
Case Width
38mm
Case Thickness
9.1mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
160m
Dial Color
White
Jewels
32j
Frequency
36,000 bph
Power Reserve
56 hours
Year
1995

Related Models

seikata-wm-ef244558e42a