Seiko Cal. 6218 - 331

The Seiko 6218-331 represents an important milestone in Seiko's 1989 lineup. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-47bbae287dfe]

Also known as: Sumo, Golden Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

37mm

Case Thickness

11.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1989

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