Seiko Cal. 3864 - 677

The 3864-677 is a sought-after Solar piece from Seiko's golden era. It features a Burgundy dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-43ed0449aef4]

Also known as: Sumo, Pogue

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

9.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Burgundy

Jewels

34j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1969

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