Seiko Cal. 5678 - 971

The Seiko 5678-971 represents an important milestone in Seiko's 1993 lineup. Powered by the 5678 caliber with 21j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-69b88c639278]

Also known as: Helmet, Golden Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

15.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Burgundy

Jewels

21j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1993

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