Seiko Cal. 5693 - 648

The Seiko 5693-648 represents an important milestone in Seiko's 1991 lineup. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-842889c75187]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

39mm

Case Thickness

15.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Green

Jewels

18j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1991

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