Seiko Cal. 6638 - 170

Seiko 6638-170

The 6638-170 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6638 caliber with 30j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-714b620fef52]

Also known as: Shogun, Silverwave

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
8.0mm
Lug Width
21mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
160m
Dial Color
Burgundy
Jewels
30j
Frequency
36,000 bph
Power Reserve
39 hours
Year
1967

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