Seiko Cal. 4437 - 277

The Seiko 4437-277 represents an important milestone in Seiko's 1995 lineup. Powered by the 4437 caliber with 31j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-2517efbd10ce]

Also known as: Golden Tuna

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

37mm

Case Thickness

8.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Navy

Jewels

31j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1995

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