Seiko Cal. 4471 - 956

This Automatic model from 1977 features a 45mm Two-Tone case. Powered by the 4471 caliber with 20j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-edd89a7c6260]

Also known as: World Timer

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

12.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

190m

Dial Color

Green

Jewels

20j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1977

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