Seiko Cal. 3840 - 260

The Seiko 3840-260 represents an important milestone in Seiko's 1978 lineup. It features a Champagne dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-5c690dfb06ee]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

13.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

100m

Dial Color

Champagne

Jewels

36j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1978

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