Seiko Cal. 6685 - 821

Seiko 6685-821

The Seiko 6685-821 represents an important milestone in Seiko's 1978 lineup. Powered by the 6685 caliber with 32j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-584853b49e06]

Also known as: Sumo, Arnie

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
34mm
Case Thickness
11.6mm
Lug Width
22mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
50m
Dial Color
Navy
Jewels
32j
Frequency
36,000 bph
Power Reserve
36 hours
Year
1978

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