Seiko Cal. 5678 - 920

This Spring Drive model from 1997 features a 41mm Gold-Plated case. It features a Navy dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-c7fdef92d1fb]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

15.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

190m

Dial Color

Navy

Jewels

20j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1997

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