Seiko Cal. 7133 - 687

The Seiko 7133-687 represents an important milestone in Seiko's 1968 lineup. The Bidirectional bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-19ad59b6ff0c]

Also known as: Sea Horse, Baby Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

41mm

Case Thickness

15.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Silver

Jewels

17j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1968

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