Seiko Cal. 3817 - 388

The Seiko 3817-388 represents an important milestone in Seiko's 1970 lineup. Powered by the 3817 caliber with 29j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-4ec9d2a252d8]

Also known as: Panda, Sportsmatic

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

11.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

40m

Dial Color

Green

Jewels

29j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1970

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