Seiko Cal. 6387 - 521

The Seiko 6387-521 represents an important milestone in Seiko's 1967 lineup. It features a Cream dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-15a05deb1b96]

Also known as: Bullhead

Specifications

Movement

Solar

Case Material

Titanium

Case Width

37mm

Case Thickness

12.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

140m

Dial Color

Cream

Jewels

25j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1967

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