Seiko Cal. 6388 - 131

The 6388-131 is a sought-after Quartz piece from Seiko's golden era. It features a Green dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-d3437f4aec1f]

Also known as: Bellmatic

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

35mm

Case Thickness

9.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Green

Jewels

18j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1997

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