Seiko Cal. 6387 - 139

The 6387-139 is a sought-after Solar piece from Seiko's golden era. It features a Black dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-9e7c3a09e7d3]

Also known as: Bellmatic

Specifications

Movement

Solar

Case Material

Titanium

Case Width

44mm

Case Thickness

9.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

60m

Dial Color

Black

Jewels

24j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1976

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