Seiko Cal. 6387 - 541

This Spring Drive model from 1976 features a 38mm Two-Tone case. It features a Green dial protected by a Acrylic crystal and offers 120m of water resistance. [seikata-wm-86c6fcd7837c]

Also known as: Monster, Silverwave

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

38mm

Case Thickness

15.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Green

Jewels

21j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1976

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