Seiko Cal. 6645 - 635

The Seiko 6645-635 represents an important milestone in Seiko's 1999 lineup. It features a Champagne dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-48bd3f5241d0]

Also known as: UFO, Goldfeather

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

36mm

Case Thickness

9.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Champagne

Jewels

27j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1999

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