Seiko Cal. 6378 - 957

This Automatic model from 1986 features a 42mm Gold-Plated case. It features a Green dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-f1e3feb1c3ce]

Also known as: Monster, Baby Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

15.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

30m

Dial Color

Green

Jewels

19j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1986

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