Seiko Cal. 0726 - 398

The Seiko 0726-398 represents an important milestone in Seiko's 1974 lineup. Powered by the 0726 caliber with 36j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-675ae5240283]

Also known as: Tuna, Bullhead

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

12.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

70m

Dial Color

Champagne

Jewels

36j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1974

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