Seiko Cal. 6691 - 790

Seiko 6691-790

This Automatic model from 1986 features a 40mm Titanium case. It features a Silver dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-d4cf11d1572d]

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
40mm
Case Thickness
13.1mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
50m
Dial Color
Silver
Jewels
31j
Frequency
21,600 bph
Power Reserve
59 hours
Year
1986

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