Seiko Cal. 6637 - 649

Seiko 6637-649

This Automatic model from 1999 features a 44mm Hardlex-Coated Steel case. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-4b6365a437c4]

Also known as: Turtle

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
11.9mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
190m
Dial Color
Navy
Jewels
18j
Frequency
21,600 bph
Power Reserve
53 hours
Year
1999

Related Models

seikata-wm-4b6365a437c4