Seiko Cal. 5688 - 897

Released in 1972, the Cal. 5688 with design code 897 was part of Seiko's domestic market collection. It features a Navy dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-ffa3dea507da]

Also known as: Golden Tuna

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

15.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

40m

Dial Color

Navy

Jewels

23j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1972

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