Seiko Cal. 6399 - 374

The Seiko 6399-374 represents an important milestone in Seiko's 1987 lineup. It features a Burgundy dial protected by a Acrylic crystal and offers 60m of water resistance. [seikata-wm-45f7707783de]

Also known as: Tuna, Crown

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

15.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

60m

Dial Color

Burgundy

Jewels

28j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1987

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