Seiko Cal. 6610 - 643

The Seiko 6610-643 represents an important milestone in Seiko's 1978 lineup. It features a Burgundy dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-f1f8d83b90c6]

Also known as: Goldfeather

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

11.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

90m

Dial Color

Burgundy

Jewels

36j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1978

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