Seiko Cal. 6399 - 541

The Seiko 6399-541 represents an important milestone in Seiko's 1980 lineup. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-89332b4a59da]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

15.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Burgundy

Jewels

34j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1980

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