Seiko Cal. 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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