Seiko Cal. 6690 - 865

Seiko 6690-865

This Quartz model from 1975 features a 46mm PVD Black case. Powered by the 6690 caliber with 27j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-a8d38c9d2cd5]

Also known as: Sumo, Baby Tuna

Specifications

Movement
Quartz
Case Material
PVD Black
Case Width
46mm
Case Thickness
11.9mm
Lug Width
20mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
170m
Dial Color
Champagne
Jewels
27j
Frequency
28,800 bph
Power Reserve
67 hours
Year
1975

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