Seiko Cal. 6637 - 758

Seiko 6637-758

The 6637-758 is a sought-after Automatic piece from Seiko's golden era. It features a Cream dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-0b6346e28fdf]

Also known as: Turtle

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
39mm
Case Thickness
8.2mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
70m
Dial Color
Cream
Jewels
32j
Frequency
21,600 bph
Power Reserve
60 hours
Year
1976

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