Seiko Cal. 4421 - 427

This Automatic model from 1991 features a 35mm Gold-Plated case. Powered by the 4421 caliber with 33j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-62569f7f3d57]

Also known as: Turtle, Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

15.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

Burgundy

Jewels

33j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1991

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