Seiko Cal. 6645 - 137

Seiko 6645-137

The 6645-137 is a sought-after Kinetic piece from Seiko's golden era. The Coin-Edge bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-f8bf0ed3f4f3]

Also known as: Monster, World Timer

Specifications

Movement
Kinetic
Case Material
Titanium
Case Width
35mm
Case Thickness
15.4mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
170m
Dial Color
Green
Jewels
23j
Frequency
21,600 bph
Power Reserve
50 hours
Year
1997

Related Models

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