Seiko Cal. 5641 - 310

The Seiko 5641-310 represents an important milestone in Seiko's 1971 lineup. It features a White dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-10eb99843396]

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

42mm

Case Thickness

14.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

80m

Dial Color

White

Jewels

24j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1971

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