Seiko Cal. 6691 - 740

Seiko 6691-740

The 6691-740 is a sought-after Solar piece from Seiko's golden era. It features a Cream dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-8611b41ceac8]

Also known as: Pogue, World Timer

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
14.9mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
180m
Dial Color
Cream
Jewels
27j
Frequency
28,800 bph
Power Reserve
57 hours
Year
1968

Related Models

seikata-wm-8611b41ceac8