Seiko Cal. 5640 - 881

Seiko 5640-881

This Automatic model from 1985 features a 44mm Titanium case. With its 19mm lug width and 12.6mm profile, it sits comfortably on most wrists. [seikata-wm-7d99cb19f83a]

Also known as: Tuna

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
44mm
Case Thickness
12.6mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
170m
Dial Color
Navy
Jewels
22j
Frequency
36,000 bph
Power Reserve
72 hours
Year
1985

Related Models

seikata-wm-7d99cb19f83a