Seiko Cal. 6691 - 470

Seiko 6691-470

This Spring Drive model from 1975 features a 35mm Two-Tone case. The Coin-Edge bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-7fe12d21a796]

Also known as: Turtle

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
35mm
Case Thickness
15.7mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
50m
Dial Color
Blue Sunburst
Jewels
25j
Frequency
36,000 bph
Power Reserve
51 hours
Year
1975

Related Models

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