Seiko Cal. 0746 - 399

The 0746-399 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 0746 caliber with 19j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-0f538722c8e0]

Also known as: Tuna, World Timer

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

15.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

White

Jewels

19j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1997

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