Seiko Cal. 6631 - 151

The 6631-151 is a sought-after Spring Drive piece from Seiko's golden era. It features a Cream dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-eb143af0537e]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

13.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Cream

Jewels

18j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1985

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