Seiko Cal. 6610 - 338

The Seiko 6610-338 represents an important milestone in Seiko's 1965 lineup. Powered by the 6610 caliber with 21j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-0c027285cf36]

Also known as: UFO, Silverwave

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

9.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

190m

Dial Color

Burgundy

Jewels

21j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1965

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