Seiko Cal. 5666 - 539

The Seiko 5666-539 represents an important milestone in Seiko's 1967 lineup. It features a Champagne dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-299d83d12729]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

34mm

Case Thickness

15.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Champagne

Jewels

35j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1967

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