Seiko Cal. 6388 - 975

Seiko 6388-975

The Seiko 6388-975 represents an important milestone in Seiko's 1974 lineup. Powered by the 6388 caliber with 34j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-5b467414835a]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement
Solar
Case Material
Two-Tone
Case Width
34mm
Case Thickness
8.0mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
180m
Dial Color
White
Jewels
34j
Frequency
21,600 bph
Power Reserve
46 hours
Year
1974

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