Seiko Cal. 5246 - 770

The Seiko 5246-770 represents an important milestone in Seiko's 1978 lineup. The Inner Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-8dfd52040ea2]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

46mm

Case Thickness

9.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Black

Jewels

23j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1978

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