Seiko Cal. 3840 - 888

The Seiko 3840-888 represents an important milestone in Seiko's 1978 lineup. It features a Silver dial protected by a Acrylic crystal and offers 190m of water resistance. [seikata-wm-260300ecba73]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

14.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Silver

Jewels

21j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1978

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