Seiko Cal. 0770 - 248

The Seiko 0770-248 represents an important milestone in Seiko's 1973 lineup. Powered by the 0770 caliber with 23j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-2aa9f8754665]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

13.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Black

Jewels

23j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1973

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