Seiko Cal. 6686 - 636

Seiko 6686-636

The 6686-636 is a sought-after Automatic piece from Seiko's golden era. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-675f7020c472]

Also known as: Sportsmatic, Crown

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
37mm
Case Thickness
11.9mm
Lug Width
20mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
120m
Dial Color
Green
Jewels
32j
Frequency
21,600 bph
Power Reserve
42 hours
Year
1975

Related Models

seikata-wm-675f7020c472