Seiko Cal. 6618 - 654

This Spring Drive model from 1987 features a 45mm Stainless Steel case. The Fixed bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-5132ae65b10d]

Also known as: Monster, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

13.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

Burgundy

Jewels

23j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1987

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