Seiko Cal. 6391 - 525

The 6391-525 is a sought-after Automatic piece from Seiko's golden era. It features a Silver dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-d90e44eb5269]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

37mm

Case Thickness

10.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Silver

Jewels

30j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1986

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