Seiko Cal. 6691 - 445

Seiko 6691-445

The 6691-445 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6691 caliber with 31j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-12a53f629204]

Also known as: Baby Tuna, Emperor

Specifications

Movement
Kinetic
Case Material
Stainless Steel
Case Width
45mm
Case Thickness
13.7mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
70m
Dial Color
Silver
Jewels
31j
Frequency
28,800 bph
Power Reserve
45 hours
Year
1980

Related Models

seikata-wm-12a53f629204