Seiko Cal. 7187 - 231

This Spring Drive model from 1981 features a 42mm Hardlex-Coated Steel case. It features a Navy dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-5ee95f9944e8]

Also known as: Panda

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

13.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Navy

Jewels

25j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1981

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