Seiko Cal. 4425 - 746

This Spring Drive model from 1975 features a 43mm PVD Black case. It features a Navy dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-c5bd303a5901]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

15.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Navy

Jewels

36j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1975

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