Seiko Cal. 5616 - 431

This Solar model from 1995 features a 39mm Titanium case. It features a Navy dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-453e85e8d163]

Also known as: Helmet, World Timer

Specifications

Movement

Solar

Case Material

Titanium

Case Width

39mm

Case Thickness

13.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

30j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1995

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