Seiko Cal. 6189 - 638

The Seiko 6189-638 represents an important milestone in Seiko's 1987 lineup. Powered by the 6189 caliber with 34j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-bd94858dd13a]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

14.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Champagne

Jewels

34j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1987

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