Seiko Cal. 5641 - 706

The Seiko 5641-706 represents an important milestone in Seiko's 1982 lineup. It features a Silver dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-ac1bc8a5d405]

Also known as: Tuna, Pogue

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

39mm

Case Thickness

14.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

100m

Dial Color

Silver

Jewels

25j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1982

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