Seiko Cal. 6635 - 607

Seiko 6635-607

This Automatic model from 1978 features a 44mm Titanium case. The Bidirectional bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-cc26b2473da1]

Also known as: Bullhead

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
44mm
Case Thickness
13.4mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
80m
Dial Color
White
Jewels
30j
Frequency
21,600 bph
Power Reserve
61 hours
Year
1978

Related Models

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