Seiko Cal. 6231 - 806

The 6231-806 is a sought-after Spring Drive piece from Seiko's golden era. It features a Green dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-149804fba87c]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

13.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Green

Jewels

27j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1999

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