Seiko Cal. 6638 - 292

The Seiko 6638-292 represents an important milestone in Seiko's 1966 lineup. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-c97adbcb84e8]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

11.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1966

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