Seiko Cal. 6139 - 488

The Seiko 6139-488 represents an important milestone in Seiko's 1992 lineup. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-c1ba6165f576]

Also known as: Sumo, Emperor

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

13.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1992

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