Seiko Cal. 3843 - 728

This Spring Drive model from 1990 features a 36mm Two-Tone case. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-cbd17589796d]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

15.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1990

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