Seiko Cal. 3840 - 970

The 3840-970 is a sought-after Solar piece from Seiko's golden era. Powered by the 3840 caliber with 26j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-766a017c96cc]

Also known as: Tuna, Arnie

Specifications

Movement

Solar

Case Material

Titanium

Case Width

46mm

Case Thickness

10.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

180m

Dial Color

White

Jewels

26j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1978

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