Seiko Cal. 5691 - 106

Seiko 5691-106

This Quartz model from 1977 features a 37mm Two-Tone case. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-73b1ca212711]

Also known as: Tuna

Specifications

Movement
Quartz
Case Material
Two-Tone
Case Width
37mm
Case Thickness
12.8mm
Lug Width
19mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
180m
Dial Color
Navy
Jewels
20j
Frequency
36,000 bph
Power Reserve
64 hours
Year
1977

Related Models

seikata-wm-73b1ca212711