Seiko Cal. 4477 - 745

The Seiko 4477-745 represents an important milestone in Seiko's 1977 lineup. Powered by the 4477 caliber with 23j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-b34ef17c442e]

Also known as: Bellmatic

Specifications

Movement

Solar

Case Material

Titanium

Case Width

40mm

Case Thickness

9.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Cream

Jewels

23j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1977

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