Seiko Cal. 5688 - 741

The 5688-741 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5688 caliber with 36j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-05aaa8697226]

Also known as: Monster, Tuna

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

14.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1972

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