Seiko Cal. 6220 - 241

This Spring Drive model from 1966 features a 42mm Two-Tone case. Powered by the 6220 caliber with 24j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-65c55e387e95]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

13.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Silver

Jewels

24j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1966

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