Seiko Cal. 4548 - 687

The 4548-687 is a sought-after Automatic piece from Seiko's golden era. It features a Black dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-b7da0fa3296a]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

13.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

30m

Dial Color

Black

Jewels

19j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1985

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