Seiko Cal. 6274 - 607

The 6274-607 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6274 caliber with 21j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-9bd2fbb0ef76]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

8.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1973

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