Seiko Cal. 5638 - 687

Seiko 5638-687

This Quartz model from 1989 features a 43mm Stainless Steel case. The Inner Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-d1881e0a6777]

Also known as: Turtle, Arnie

Specifications

Movement
Quartz
Case Material
Stainless Steel
Case Width
43mm
Case Thickness
13.8mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
70m
Dial Color
Cream
Jewels
31j
Frequency
36,000 bph
Power Reserve
56 hours
Year
1989

Related Models

seikata-wm-d1881e0a6777