Seiko Cal. 6694 - 620

Seiko 6694-620

The Seiko 6694-620 represents an important milestone in Seiko's 1983 lineup. Powered by the 6694 caliber with 28j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-931692d5a0de]

Also known as: Sumo, Golden Tuna

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
42mm
Case Thickness
12.8mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
160m
Dial Color
Black
Jewels
28j
Frequency
36,000 bph
Power Reserve
57 hours
Year
1983

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