Seiko Cal. 7018 - 328

Seiko 7018-328

This Hand-Winding model from 1986 features a 45mm Stainless Steel case. Powered by the 7018 caliber with 23j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-3bbd566e8b09]

Also known as: Helmet, Sportsmatic

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
45mm
Case Thickness
9.2mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
30m
Dial Color
Cream
Jewels
23j
Frequency
36,000 bph
Power Reserve
46 hours
Year
1986

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