Seiko Cal. 6399 - 240

Seiko 6399-240

The Seiko 6399-240 represents an important milestone in Seiko's 1999 lineup. Powered by the 6399 caliber with 26j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-43168b6862ba]

Also known as: Monster, Baby Tuna

Specifications

Movement
Solar
Case Material
Two-Tone
Case Width
40mm
Case Thickness
15.5mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
140m
Dial Color
Blue Sunburst
Jewels
26j
Frequency
36,000 bph
Power Reserve
70 hours
Year
1999

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