Seiko Cal. 6139 - 688

The Seiko 6139-688 represents an important milestone in Seiko's 1993 lineup. Powered by the 6139 caliber with 25j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-5e2c3ac520f2]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1993

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