Seiko Cal. 7140 - 547

The Seiko 7140-547 represents an important milestone in Seiko's 1965 lineup. It features a White dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-b11c65720acb]

Also known as: Monster, Rally

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

12.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

White

Jewels

27j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1965

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