Seiko Cal. 6387 - 957

Released in 1971, the Cal. 6387 with design code 957 was part of Seiko's domestic market collection. It features a Navy dial protected by a Acrylic crystal and offers 190m of water resistance. [seikata-wm-b546319da6bb]

Also known as: Navigator

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

38mm

Case Thickness

11.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

190m

Dial Color

Navy

Jewels

26j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1971

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