Seiko Cal. 6631 - 181

The Seiko 6631-181 represents an important milestone in Seiko's 1996 lineup. It features a White dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-cffb35e3f378]

Also known as: Silverwave

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

45mm

Case Thickness

11.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

White

Jewels

22j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1996

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