Seiko Cal. 5681 - 938

Released in 1979, the Cal. 5681 with design code 938 was part of Seiko's domestic market collection. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-8aee8afb4150]

Also known as: Rally, Baby Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Navy

Jewels

19j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1979

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