Seiko Cal. 3817 - 495

The 3817-495 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3817 caliber with 36j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-ee15deecf611]

Also known as: Tuna, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

8.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Black

Jewels

36j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1976

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