Seiko Cal. 6243 - 390

Released in 1985, the Cal. 6243 with design code 390 was part of Seiko's domestic market collection. It features a Green dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-f42f486f0c5b]

Also known as: Sumo, Emperor

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

42mm

Case Thickness

9.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Green

Jewels

34j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1985

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