Seiko Cal. 6371 - 374

This Solar model from 1973 features a 36mm PVD Black case. Powered by the 6371 caliber with 30j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-150bec7000ad]

Also known as: Tuna, Bullhead

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

36mm

Case Thickness

10.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

50m

Dial Color

Green

Jewels

30j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1973

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