Seiko Cal. 6615 - 163

The Seiko 6615-163 represents an important milestone in Seiko's 1965 lineup. With its 18mm lug width and 9.4mm profile, it sits comfortably on most wrists. [seikata-wm-c22634c09e5e]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

9.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Burgundy

Jewels

35j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1965

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