Seiko Cal. 0742 - 228

Seiko 0742-228

The 0742-228 is a sought-after Spring Drive piece from Seiko's golden era. With its 22mm lug width and 11.0mm profile, it sits comfortably on most wrists. [seikata-wm-e20dc23e9789]

Also known as: Helmet, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
39mm
Case Thickness
11.0mm
Lug Width
22mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
40m
Dial Color
Blue Sunburst
Jewels
23j
Frequency
28,800 bph
Power Reserve
50 hours
Year
1968

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seikata-wm-e20dc23e9789