Seiko Cal. 6621 - 915

The Seiko 6621-915 represents an important milestone in Seiko's 1976 lineup. With its 19mm lug width and 13.5mm profile, it sits comfortably on most wrists. [seikata-wm-9f6abcc24350]

Also known as: UFO, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

13.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

90m

Dial Color

Burgundy

Jewels

35j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1976

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