Seiko Cal. 4427 - 443

This Spring Drive model from 1966 features a 34mm Two-Tone case. It features a Navy dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-e3fa8565f898]

Also known as: Panda, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

11.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

110m

Dial Color

Navy

Jewels

32j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1966

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