Seiko Cal. 6634 - 377

The Seiko 6634-377 represents an important milestone in Seiko's 1988 lineup. It features a White dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-05dad3211947]

Also known as: Samurai, UFO

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

12.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

160m

Dial Color

White

Jewels

31j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1988

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