Seiko Cal. 6148 - 387

This Spring Drive model from 1972 features a 40mm Stainless Steel case. It features a Cream dial protected by a Acrylic crystal and offers 80m of water resistance. [seikata-wm-ef6f71ac564f]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

12.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

80m

Dial Color

Cream

Jewels

27j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1972

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