Seiko Cal. 6215 - 621

The 6215-621 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6215 caliber with 35j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-fc1793d17e5b]

Also known as: Sumo, Flighty

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Cream

Jewels

35j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1976

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