Seiko Cal. 6139 - 930

The Seiko 6139-930 represents an important milestone in Seiko's 1985 lineup. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-10f98ea3e329]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

15.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Champagne

Jewels

17j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1985

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