Seiko Cal. 6239 - 840

This Quartz model from 1979 features a 37mm Two-Tone case. It features a Burgundy dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-8b200c231f35]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

37mm

Case Thickness

12.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

140m

Dial Color

Burgundy

Jewels

25j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1979

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