Seiko Cal. 6634 - 489

The Seiko 6634-489 represents an important milestone in Seiko's 1966 lineup. It features a White dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-b6de9e708384]

Also known as: Bullhead, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

11.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

White

Jewels

17j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1966

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