Seiko Cal. 4540 - 139

Released in 1993, the Cal. 4540 with design code 139 was part of Seiko's domestic market collection. It features a White dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-475a7641d0c4]

Also known as: Bullhead, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

13.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

White

Jewels

31j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1993

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