Seiko Cal. 6681 - 399

Seiko 6681-399

The Seiko 6681-399 represents an important milestone in Seiko's 1984 lineup. Powered by the 6681 caliber with 22j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-e9348a83a1bb]

Also known as: Monster, Tuna

Specifications

Movement
Quartz
Case Material
PVD Black
Case Width
34mm
Case Thickness
8.0mm
Lug Width
22mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
150m
Dial Color
Champagne
Jewels
22j
Frequency
36,000 bph
Power Reserve
47 hours
Year
1984

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