Seiko Cal. 5658 - 306

The Seiko 5658-306 represents an important milestone in Seiko's 1977 lineup. It features a Cream dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-f5aa870931eb]

Also known as: Bellmatic, World Timer

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

14.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Cream

Jewels

21j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1977

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