Seiko Cal. 6636 - 897

Seiko 6636-897

The 6636-897 is a sought-after Hand-Winding piece from Seiko's golden era. The Bidirectional bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-16dc0e56238f]

Also known as: Turtle, Monster

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
36mm
Case Thickness
13.0mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
70m
Dial Color
Black
Jewels
17j
Frequency
28,800 bph
Power Reserve
59 hours
Year
1988

Related Models

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