Seiko Cal. 6635 - 789

Seiko 6635-789

The 6635-789 is a sought-after Kinetic piece from Seiko's golden era. The Coin-Edge bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-27183c128539]

Also known as: Monster, Helmet

Specifications

Movement
Kinetic
Case Material
PVD Black
Case Width
34mm
Case Thickness
12.6mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
140m
Dial Color
Navy
Jewels
26j
Frequency
21,600 bph
Power Reserve
41 hours
Year
1970

Related Models

seikata-wm-27183c128539