Seiko Cal. 6637 - 723

Seiko 6637-723

This Automatic model from 1990 features a 42mm PVD Black case. The Fixed bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-8d48e99f1fcb]

Also known as: Sea Horse

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
42mm
Case Thickness
15.3mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
110m
Dial Color
Champagne
Jewels
23j
Frequency
28,800 bph
Power Reserve
67 hours
Year
1990

Related Models

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