Seiko Cal. 3817 - 661

Seiko 3817-661

The Seiko 3817-661 represents an important milestone in Seiko's 1997 lineup. Powered by the 3817 caliber with 35j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-73b56d55cd20]

Also known as: Rally, Golden Tuna

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
43mm
Case Thickness
13.4mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
90m
Dial Color
Champagne
Jewels
35j
Frequency
28,800 bph
Power Reserve
54 hours
Year
1997

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