Seiko Cal. 6687 - 216

Seiko 6687-216

This Hand-Winding model from 1972 features a 38mm Hardlex-Coated Steel case. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-c876b03437e3]

Also known as: Turtle, World Timer

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
10.8mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
120m
Dial Color
Green
Jewels
22j
Frequency
21,600 bph
Power Reserve
39 hours
Year
1972

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seikata-wm-c876b03437e3