Seiko Cal. 4471 - 654

This Spring Drive model from 1978 features a 37mm Stainless Steel case. Powered by the 4471 caliber with 29j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-0bf53f37bb37]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

12.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Green

Jewels

29j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1978

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