Seiko Cal. 7148 - 431

The Seiko 7148-431 represents an important milestone in Seiko's 1977 lineup. It features a Green dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-4581862a60f4]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

35mm

Case Thickness

10.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Green

Jewels

23j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1977

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