Seiko Cal. 6618 - 816

This Spring Drive model from 1988 features a 45mm Hardlex-Coated Steel case. It features a Silver dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-6a42b3d85c65]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

15.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Silver

Jewels

26j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1988

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