Seiko Cal. 6634 - 843

Seiko 6634-843

The 6634-843 is a sought-after Spring Drive piece from Seiko's golden era. It features a Green dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-44759bd7b8d2]

Also known as: Turtle, Tuna

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
41mm
Case Thickness
8.8mm
Lug Width
19mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
170m
Dial Color
Green
Jewels
31j
Frequency
28,800 bph
Power Reserve
67 hours
Year
1995

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