Seiko Cal. 6645 - 270

This Spring Drive model from 1989 features a 37mm PVD Black case. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-446127107996]

Also known as: Crown, Emperor

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

12.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Silver

Jewels

35j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1989

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