Seiko Cal. 6331 - 176

Released in 1988, the Cal. 6331 with design code 176 was part of Seiko's domestic market collection. It features a Black dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-b3e6f7ec4d36]

Also known as: Crown, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

35mm

Case Thickness

10.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Black

Jewels

23j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1988

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