Seiko Cal. 6685 - 665

Seiko 6685-665

The Seiko 6685-665 represents an important milestone in Seiko's 1976 lineup. Powered by the 6685 caliber with 31j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-f25696736021]

Also known as: Monster, Tuna

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
38mm
Case Thickness
9.9mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
160m
Dial Color
Blue Sunburst
Jewels
31j
Frequency
36,000 bph
Power Reserve
36 hours
Year
1976

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seikata-wm-f25696736021