Seiko Cal. 7057 - 583

This Spring Drive model from 1966 features a 41mm Two-Tone case. It features a Navy dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-6e1d24a15f15]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

14.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

120m

Dial Color

Navy

Jewels

27j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1966

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