Seiko Cal. 0778 - 394

The 0778-394 is a sought-after Quartz piece from Seiko's golden era. Powered by the 0778 caliber with 36j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-cb7fadb366e6]

Also known as: Sumo, Tuna

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

13.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Silver

Jewels

36j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1973

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