Seiko Cal. 6638 - 574

The Seiko 6638-574 represents an important milestone in Seiko's 1970 lineup. It features a Champagne dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-6aca17d9d694]

Also known as: Goldfeather

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

39mm

Case Thickness

8.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

90m

Dial Color

Champagne

Jewels

30j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1970

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