Seiko Cal. 7031 - 281

This Hand-Winding model from 1986 features a 40mm PVD Black case. It features a Navy dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-526c61fd1719]

Also known as: Sumo, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

12.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Navy

Jewels

25j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1986

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