Seiko Cal. 4470 - 837

This Spring Drive model from 1973 features a 45mm Two-Tone case. Powered by the 4470 caliber with 26j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-f9be600554ec]

Also known as: Silverwave, Flighty

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

13.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Navy

Jewels

26j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1973

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