Seiko Cal. 6645 - 299

This Spring Drive model from 1979 features a 37mm Two-Tone case. It features a Silver dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-fe54a08f871d]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

13.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Silver

Jewels

18j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1979

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