Seiko Cal. 6638 - 298

Seiko 6638-298

The Seiko 6638-298 represents an important milestone in Seiko's 1966 lineup. It features a Green dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-1ae794f58767]

Also known as: Turtle, Samurai

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
41mm
Case Thickness
15.3mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
150m
Dial Color
Green
Jewels
21j
Frequency
28,800 bph
Power Reserve
38 hours
Year
1966

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