Seiko Cal. 0728 - 402

This Automatic model from 1971 features a 46mm Two-Tone case. It features a Navy dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-0890e0d480d4]

Also known as: Bellmatic, Navigator

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

14.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

28j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1971

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