Seiko Cal. 7141 - 777

The Seiko 7141-777 represents an important milestone in Seiko's 1975 lineup. Powered by the 7141 caliber with 27j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-aafcd2c46be5]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

12.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

80m

Dial Color

Champagne

Jewels

27j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1975

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