Seiko Cal. 3840 - 678

The Seiko 3840-678 represents an important milestone in Seiko's 1983 lineup. It features a Cream dial protected by a Acrylic crystal and offers 150m of water resistance. [seikata-wm-46e7a39d3fa5]

Also known as: Shogun

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

11.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Cream

Jewels

24j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1983

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