Seiko Cal. 6621 - 503

The 6621-503 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6621 caliber with 31j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-4d8c2191351c]

Also known as: Panda, Baby Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

45mm

Case Thickness

12.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Champagne

Jewels

31j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1974

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