Seiko Cal. 7178 - 236

This Hand-Winding model from 1991 features a 36mm Gold-Plated case. It features a Burgundy dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-6a28f2a9bd71]

Also known as: Helmet, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

9.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Burgundy

Jewels

21j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1991

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