Seiko Cal. 3840 - 383

The Seiko 3840-383 represents an important milestone in Seiko's 1966 lineup. Powered by the 3840 caliber with 20j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-eadebd2c79f8]

Also known as: Arnie

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

42mm

Case Thickness

13.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Champagne

Jewels

20j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1966

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