Seiko Cal. 6333 - 615

This Spring Drive model from 1971 features a 36mm Two-Tone case. Powered by the 6333 caliber with 33j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-f1e1540c3212]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

11.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Silver

Jewels

33j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1971

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