Seiko Cal. 3840 - 424

The Seiko 3840-424 represents an important milestone in Seiko's 1980 lineup. It features a Champagne dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-0ab5aaf196cb]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

8.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Champagne

Jewels

28j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1980

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