Seiko Cal. 6189 - 638

Seiko 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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seikata-wm-bd94858dd13a