Seiko Cal. 6318 - 621

Seiko 6318-621

The Seiko 6318-621 represents an important milestone in Seiko's 1971 lineup. Powered by the 6318 caliber with 36j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-3095e8049d1a]

Also known as: Helmet

Specifications

Movement
Kinetic
Case Material
Stainless Steel
Case Width
44mm
Case Thickness
10.4mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
150m
Dial Color
Green
Jewels
36j
Frequency
28,800 bph
Power Reserve
67 hours
Year
1971

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