Seiko Cal. 6638 - 342

Seiko 6638-342

Released in 1981, the Cal. 6638 with design code 342 was part of Seiko's domestic market collection. It features a Silver dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-8c6523462e87]

Specifications

Movement
Quartz
Case Material
Two-Tone
Case Width
45mm
Case Thickness
15.7mm
Lug Width
22mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
190m
Dial Color
Silver
Jewels
22j
Frequency
21,600 bph
Power Reserve
52 hours
Year
1981

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