Seiko Cal. 3840 - 964

The 3840-964 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3840 caliber with 19j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-d9d580d65f26]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

8.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

190m

Dial Color

Black

Jewels

19j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1987

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