Seiko Cal. 6691 - 530

This Spring Drive model from 1995 features a 40mm PVD Black case. It features a Navy dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-838f37f7323e]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

15.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Navy

Jewels

21j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1995

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