Seiko Cal. 4427 - 380

This Hand-Winding model from 1973 features a 34mm Two-Tone case. Powered by the 4427 caliber with 35j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-69dcb6dfdf0e]

Also known as: Golden Tuna, Emperor

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

34mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

90m

Dial Color

Black

Jewels

35j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1973

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