Seiko Cal. 6387 - 744

The 6387-744 is a sought-after Solar piece from Seiko's golden era. Powered by the 6387 caliber with 26j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-d079f93f9c1a]

Also known as: Bullhead

Specifications

Movement

Solar

Case Material

Titanium

Case Width

42mm

Case Thickness

13.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

Green

Jewels

26j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1983

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