Seiko Cal. 6228 - 478

This Spring Drive model from 1983 features a 35mm Stainless Steel case. It features a Navy dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-be7a16b658a8]

Also known as: Monster, Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

11.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Navy

Jewels

20j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1983

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