Seiko Cal. 7181 - 627

The Seiko 7181-627 represents an important milestone in Seiko's 1965 lineup. It features a Navy dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-75ef4d9a7bb9]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

39mm

Case Thickness

10.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

200m

Dial Color

Navy

Jewels

35j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1965

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