Seiko Cal. 0751 - 638

Seiko 0751-638

The 0751-638 is a sought-after Automatic piece from Seiko's golden era. Powered by the 0751 caliber with 22j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-68de5b2c9ebf]

Also known as: Tuna, Silverwave

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
11.9mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
200m
Dial Color
Navy
Jewels
22j
Frequency
21,600 bph
Power Reserve
64 hours
Year
1989

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