Seiko Cal. 5657 - 374

This Quartz model from 1995 features a 40mm Hardlex-Coated Steel case. It features a Black dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-2bcac166f61c]

Also known as: Navigator, Baby Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

12.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Black

Jewels

32j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1995

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