Seiko Cal. 5688 - 938

Seiko 5688-938

The Seiko 5688-938 represents an important milestone in Seiko's 1989 lineup. Powered by the 5688 caliber with 25j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-06ec6a62cb34]

Also known as: Silverwave, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
35mm
Case Thickness
12.5mm
Lug Width
20mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
190m
Dial Color
Blue Sunburst
Jewels
25j
Frequency
21,600 bph
Power Reserve
58 hours
Year
1989

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