Seiko Cal. 3840 - 980

The 3840-980 is a sought-after Spring Drive piece from Seiko's golden era. The Inner Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-3fdf9732fb45]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

14.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Silver

Jewels

20j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1982

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