Seiko Cal. 4437 - 751

The 4437-751 is a sought-after Kinetic piece from Seiko's golden era. It features a Burgundy dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-deb48ff81896]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

12.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Burgundy

Jewels

30j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1978

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