Seiko Cal. 6638 - 217

Seiko 6638-217

The 6638-217 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6638 caliber with 31j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-50fd3ea33031]

Also known as: Crown, Arnie

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
13.0mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
140m
Dial Color
Cream
Jewels
31j
Frequency
36,000 bph
Power Reserve
36 hours
Year
1970

Related Models

seikata-wm-50fd3ea33031