Seiko Cal. 0774 - 646

This Spring Drive model from 1973 features a 37mm Two-Tone case. Powered by the 0774 caliber with 30j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-3b654a369193]

Also known as: Silverwave, Flighty

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

10.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Cream

Jewels

30j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1973

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