Seiko Cal. 3874 - 452

The Seiko 3874-452 represents an important milestone in Seiko's 1977 lineup. Powered by the 3874 caliber with 18j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-a54e3f217521]

Also known as: Tuna, Crown

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

42mm

Case Thickness

8.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Champagne

Jewels

18j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1977

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