Seiko Cal. 6687 - 637

Seiko 6687-637

This Automatic model from 1971 features a 36mm Gold-Plated case. The Coin-Edge bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-1158df1f0d10]

Also known as: Shogun, Pogue

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
36mm
Case Thickness
15.5mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
110m
Dial Color
Green
Jewels
24j
Frequency
21,600 bph
Power Reserve
57 hours
Year
1971

Related Models

seikata-wm-1158df1f0d10