Seiko Cal. 6387 - 117

This Spring Drive model from 1980 features a 40mm Stainless Steel case. It features a Green dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-b6558ce4fde8]

Also known as: Navigator, Crown

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

9.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

110m

Dial Color

Green

Jewels

30j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1980

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