Seiko Cal. 7146 - 688

Seiko 7146-688

The Seiko 7146-688 represents an important milestone in Seiko's 1976 lineup. Powered by the 7146 caliber with 26j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-c74841182fe9]

Also known as: Monster, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
36mm
Case Thickness
13.3mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
50m
Dial Color
Silver
Jewels
26j
Frequency
28,800 bph
Power Reserve
52 hours
Year
1976

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seikata-wm-c74841182fe9