Seiko Cal. 6225 - 306

The 6225-306 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6225 caliber with 29j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-e3d04de22835]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

11.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Silver

Jewels

29j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1981

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