Seiko Cal. 4515 - 312

The Seiko 4515-312 represents an important milestone in Seiko's 1987 lineup. It features a Navy dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-1c8b49d3f122]

Also known as: World Timer, Arnie

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

45mm

Case Thickness

12.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Navy

Jewels

32j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1987

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