Seiko Cal. 7128 - 635

Seiko 7128-635

The Seiko 7128-635 represents an important milestone in Seiko's 1994 lineup. Powered by the 7128 caliber with 28j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-217370a1ede7]

Also known as: Helmet, Baby Tuna

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
39mm
Case Thickness
14.2mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
100m
Dial Color
Navy
Jewels
28j
Frequency
36,000 bph
Power Reserve
70 hours
Year
1994

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seikata-wm-217370a1ede7