Seiko Cal. 3851 - 578

This Quartz model from 1986 features a 43mm Two-Tone case. With its 20mm lug width and 15.6mm profile, it sits comfortably on most wrists. [seikata-wm-82c03816ff32]

Also known as: Monster, Baby Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

43mm

Case Thickness

15.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Black

Jewels

24j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1986

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