Seiko Cal. 4477 - 225

The Seiko 4477-225 represents an important milestone in Seiko's 1972 lineup. Powered by the 4477 caliber with 33j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-3a389f7a38bb]

Also known as: Shogun, Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

46mm

Case Thickness

14.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Silver

Jewels

33j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1972

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