Seiko Cal. 4438 - 131

Seiko 4438-131

This Spring Drive model from 1999 features a 35mm Titanium case. The Bidirectional bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-23b900fe05a4]

Also known as: World Timer

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
35mm
Case Thickness
10.6mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
100m
Dial Color
Burgundy
Jewels
36j
Frequency
21,600 bph
Power Reserve
62 hours
Year
1999

Related Models

seikata-wm-23b900fe05a4