Seiko Cal. 4438 - 816

The 4438-816 is a sought-after Solar piece from Seiko's golden era. It features a White dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-1f742bb4246a]

Also known as: Sumo, Bellmatic

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

45mm

Case Thickness

9.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

140m

Dial Color

White

Jewels

31j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1993

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