Seiko Cal. 6389 - 451

The 6389-451 is a sought-after Solar piece from Seiko's golden era. It features a Silver dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-7c69969c4676]

Also known as: Sumo, Helmet

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

14.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Silver

Jewels

21j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1999

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