Seiko Cal. 5257 - 427

This Quartz model from 1977 features a 41mm Two-Tone case. With its 20mm lug width and 9.5mm profile, it sits comfortably on most wrists. [seikata-wm-0bb850e32044]

Also known as: Monster, Arnie

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

41mm

Case Thickness

9.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Navy

Jewels

31j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1977

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