Seiko Cal. 5688 - 739

The Seiko 5688-739 represents an important milestone in Seiko's 1974 lineup. It features a Champagne dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-42947601077d]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

37mm

Case Thickness

8.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Champagne

Jewels

28j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1974

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