Seiko Cal. 3817 - 528

The Seiko 3817-528 represents an important milestone in Seiko's 1970 lineup. Powered by the 3817 caliber with 24j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-2cf1ea052978]

Also known as: Samurai

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

11.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1970

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