Seiko Cal. 4427 - 321

Released in 1974, the Cal. 4427 with design code 321 was part of Seiko's domestic market collection. It features a Cream dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-3c5909ae1fbd]

Also known as: Turtle

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

46mm

Case Thickness

8.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Cream

Jewels

18j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1974

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