Seiko Cal. 0728 - 694

Seiko 0728-694

The Seiko 0728-694 represents an important milestone in Seiko's 1976 lineup. Powered by the 0728 caliber with 21j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-4be93f45470b]

Also known as: Samurai, Baby Tuna

Specifications

Movement
Solar
Case Material
Two-Tone
Case Width
37mm
Case Thickness
15.5mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
160m
Dial Color
Silver
Jewels
21j
Frequency
28,800 bph
Power Reserve
72 hours
Year
1976

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