Seiko Cal. 6636 - 381

The Seiko 6636-381 represents an important milestone in Seiko's 1988 lineup. It features a White dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-67192cbf6761]

Also known as: Silverwave, Crown

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

10.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

White

Jewels

33j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1988

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