Seiko Cal. 6371 - 643

The 6371-643 is a sought-after Solar piece from Seiko's golden era. Powered by the 6371 caliber with 23j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-2472282ff255]

Also known as: Crown, Golden Tuna

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

14.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Burgundy

Jewels

23j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1993

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