Seiko Cal. 4437 - 750

The Seiko 4437-750 represents an important milestone in Seiko's 1997 lineup. Powered by the 4437 caliber with 29j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-43497e207a74]

Also known as: Sumo, Silverwave

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

42mm

Case Thickness

15.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Burgundy

Jewels

29j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1997

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