Seiko Cal. 5233 - 988

The Seiko 5233-988 represents an important milestone in Seiko's 1978 lineup. Powered by the 5233 caliber with 32j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-222b0039b69a]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

9.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

180m

Dial Color

Navy

Jewels

32j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1978

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