Seiko Cal. 6388 - 428

Released in 1992, the Cal. 6388 with design code 428 was part of Seiko's domestic market collection. It features a Black dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-91738ffb80ec]

Also known as: Rally, Navigator

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

37mm

Case Thickness

13.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Black

Jewels

27j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1992

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