Seiko Cal. 4445 - 311

This Quartz model from 1974 features a 45mm PVD Black case. It features a Blue Sunburst dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-afa2079096d4]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

45mm

Case Thickness

15.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1974

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