Seiko Cal. 6157 - 539

This Spring Drive model from 1993 features a 46mm Gold-Plated case. With its 18mm lug width and 9.7mm profile, it sits comfortably on most wrists. [seikata-wm-3e5c28a54455]

Also known as: Monster, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

100m

Dial Color

Silver

Jewels

22j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1993

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