Seiko Cal. 5640 - 708

The Seiko 5640-708 represents an important milestone in Seiko's 1990 lineup. With its 19mm lug width and 14.3mm profile, it sits comfortably on most wrists. [seikata-wm-83438df3863d]

Also known as: Turtle

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

45mm

Case Thickness

14.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

90m

Dial Color

Cream

Jewels

30j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1990

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