Seiko Cal. 5657 - 448

This Quartz model from 1975 features a 35mm Two-Tone case. It features a Navy dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-4afd9622ace2]

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

35mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

33j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1975

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