Seiko Cal. 4427 - 401

This Hand-Winding model from 1965 features a 46mm PVD Black case. It features a Green dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-2595faa699dd]

Also known as: Turtle, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

46mm

Case Thickness

13.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Green

Jewels

25j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1965

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