Seiko Cal. 4438 - 657

The 4438-657 is a sought-after Solar piece from Seiko's golden era. It features a Burgundy dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-65854c1fe2db]

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

43mm

Case Thickness

13.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

140m

Dial Color

Burgundy

Jewels

32j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1978

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