Seiko Cal. 6657 - 447

Seiko 6657-447

This Quartz model from 1999 features a 36mm Two-Tone case. With its 20mm lug width and 11.0mm profile, it sits comfortably on most wrists. [seikata-wm-eae17e6b568e]

Also known as: Tuna

Specifications

Movement
Quartz
Case Material
Two-Tone
Case Width
36mm
Case Thickness
11.0mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
150m
Dial Color
White
Jewels
34j
Frequency
28,800 bph
Power Reserve
54 hours
Year
1999

Related Models

seikata-wm-eae17e6b568e