Seiko Cal. 6636 - 791

Seiko 6636-791

This Automatic model from 1989 features a 37mm Gold-Plated case. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-3416539349da]

Also known as: Sumo, Arnie

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
37mm
Case Thickness
12.4mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
100m
Dial Color
Navy
Jewels
23j
Frequency
28,800 bph
Power Reserve
59 hours
Year
1989

Related Models

seikata-wm-3416539349da