Seiko Cal. 3817 - 617

The 3817-617 is a sought-after Quartz piece from Seiko's golden era. Powered by the 3817 caliber with 25j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-73067e009ce7]

Also known as: Bellmatic

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

9.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Black

Jewels

25j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1987

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