Seiko Cal. 5640 - 345

Seiko 5640-345

This Quartz model from 1981 features a 45mm Gold-Plated case. The Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-404cddb53433]

Also known as: Baby Tuna, Arnie

Specifications

Movement
Quartz
Case Material
Gold-Plated
Case Width
45mm
Case Thickness
12.4mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
30m
Dial Color
Champagne
Jewels
28j
Frequency
28,800 bph
Power Reserve
51 hours
Year
1981

Related Models

seikata-wm-404cddb53433