Seiko Cal. 6399 - 694

The Seiko 6399-694 represents an important milestone in Seiko's 1987 lineup. The Bidirectional bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-6d170f49645b]

Also known as: Sea Horse, Baby Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

41mm

Case Thickness

13.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Champagne

Jewels

30j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1987

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