Seiko Cal. 6131 - 385

This Quartz model from 1974 features a 45mm Gold-Plated case. With its 18mm lug width and 11.5mm profile, it sits comfortably on most wrists. [seikata-wm-c814032a6154]

Also known as: Sumo, Helmet

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Burgundy

Jewels

30j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1974

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