Seiko Cal. 6638 - 314

Seiko 6638-314

The 6638-314 is a sought-after Solar piece from Seiko's golden era. Powered by the 6638 caliber with 31j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-3ecf37a8a4b7]

Also known as: Samurai

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
8.7mm
Lug Width
19mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
110m
Dial Color
Blue Sunburst
Jewels
31j
Frequency
28,800 bph
Power Reserve
69 hours
Year
1966

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