Seiko Cal. 6388 - 103

Seiko 6388-103

The Seiko 6388-103 represents an important milestone in Seiko's 1982 lineup. Powered by the 6388 caliber with 22j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-2992b4c31e0c]

Also known as: Baby Tuna

Specifications

Movement
Kinetic
Case Material
Two-Tone
Case Width
43mm
Case Thickness
9.3mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
90m
Dial Color
Navy
Jewels
22j
Frequency
21,600 bph
Power Reserve
53 hours
Year
1982

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